Home / 270,940-402,487

Finding the Third Proportional to 270,940 and 402,487

Calculator

Solution

The third proportional to 270,940 and 402,487 is: 597,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,940 : 402,487 = 402,487 : x
  2. Step 2: Convert to fraction form
    270,940/402,487 = 402,487/x
  3. Step 3: Cross multiply
    270,940x = 402,487 × 402,487
  4. Step 4: Simplify right side
    270,940x = 161,995,785,169
  5. Step 5: Solve for x
    x = 161,995,785,169/270,940
  6. Step 6: Final answer
    x = 597,902.80

Related Problems

Find third proportional to 135,470 and 201,243.50
Half scale
Find third proportional to 541,880 and 804,974
Double scale
Find third proportional to 270,942 and 402,490
Similar ratio
Find third proportional to 406,410 and 603,730.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.