Home / 420,776-908,944

Finding the Third Proportional to 420,776 and 908,944

Calculator

Solution

The third proportional to 420,776 and 908,944 is: 1,963,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,776 : 908,944 = 908,944 : x
  2. Step 2: Convert to fraction form
    420,776/908,944 = 908,944/x
  3. Step 3: Cross multiply
    420,776x = 908,944 × 908,944
  4. Step 4: Simplify right side
    420,776x = 826,179,195,136
  5. Step 5: Solve for x
    x = 826,179,195,136/420,776
  6. Step 6: Final answer
    x = 1,963,465.59

Related Problems

Find third proportional to 210,388 and 454,472
Half scale
Find third proportional to 841,552 and 1,817,888
Double scale
Find third proportional to 420,778 and 908,948
Similar ratio
Find third proportional to 631,164 and 1,363,416
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.