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Finding the Third Proportional to 338,547 and 514,469

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Solution

The third proportional to 338,547 and 514,469 is: 781,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,547 : 514,469 = 514,469 : x
  2. Step 2: Convert to fraction form
    338,547/514,469 = 514,469/x
  3. Step 3: Cross multiply
    338,547x = 514,469 × 514,469
  4. Step 4: Simplify right side
    338,547x = 264,678,351,961
  5. Step 5: Solve for x
    x = 264,678,351,961/338,547
  6. Step 6: Final answer
    x = 781,806.82

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.