Home / 418,379,478-912,090,824

Finding the Third Proportional to 418,379,478 and 912,090,824

Calculator

Solution

The third proportional to 418,379,478 and 912,090,824 is: 1,988,409,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,379,478 : 912,090,824 = 912,090,824 : x
  2. Step 2: Convert to fraction form
    418,379,478/912,090,824 = 912,090,824/x
  3. Step 3: Cross multiply
    418,379,478x = 912,090,824 × 912,090,824
  4. Step 4: Simplify right side
    418,379,478x = 831,909,671,224,998,912
  5. Step 5: Solve for x
    x = 831,909,671,224,998,912/418,379,478
  6. Step 6: Final answer
    x = 1,988,409,362.72

Related Problems

Find third proportional to 209,189,739 and 456,045,412
Half scale
Find third proportional to 836,758,956 and 1,824,181,648
Double scale
Find third proportional to 418,379,480 and 912,090,828
Similar ratio
Find third proportional to 627,569,217 and 1,368,136,236
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.