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Finding the Third Proportional to 284,481 and 427,477.50

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Solution

The third proportional to 284,481 and 427,477.50 is: 642,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,481 : 427,477.50 = 427,477.50 : x
  2. Step 2: Convert to fraction form
    284,481/427,477.50 = 427,477.50/x
  3. Step 3: Cross multiply
    284,481x = 427,477.50 × 427,477.50
  4. Step 4: Simplify right side
    284,481x = 182,737,013,006.25
  5. Step 5: Solve for x
    x = 182,737,013,006.25/284,481
  6. Step 6: Final answer
    x = 642,352.26

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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.