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Finding the Third Proportional to 284,483 and 427,481

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Solution

The third proportional to 284,483 and 427,481 is: 642,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,483 : 427,481 = 427,481 : x
  2. Step 2: Convert to fraction form
    284,483/427,481 = 427,481/x
  3. Step 3: Cross multiply
    284,483x = 427,481 × 427,481
  4. Step 4: Simplify right side
    284,483x = 182,740,005,361
  5. Step 5: Solve for x
    x = 182,740,005,361/284,483
  6. Step 6: Final answer
    x = 642,358.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.