Home / 299,164-637,856

Finding the Third Proportional to 299,164 and 637,856

Calculator

Solution

The third proportional to 299,164 and 637,856 is: 1,359,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,164 : 637,856 = 637,856 : x
  2. Step 2: Convert to fraction form
    299,164/637,856 = 637,856/x
  3. Step 3: Cross multiply
    299,164x = 637,856 × 637,856
  4. Step 4: Simplify right side
    299,164x = 406,860,276,736
  5. Step 5: Solve for x
    x = 406,860,276,736/299,164
  6. Step 6: Final answer
    x = 1,359,990.76

Related Problems

Find third proportional to 149,582 and 318,928
Half scale
Find third proportional to 598,328 and 1,275,712
Double scale
Find third proportional to 299,166 and 637,860
Similar ratio
Find third proportional to 448,746 and 956,784
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.