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Finding the Third Proportional to 42,715 and 93,475

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Solution

The third proportional to 42,715 and 93,475 is: 204,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,715 : 93,475 = 93,475 : x
  2. Step 2: Convert to fraction form
    42,715/93,475 = 93,475/x
  3. Step 3: Cross multiply
    42,715x = 93,475 × 93,475
  4. Step 4: Simplify right side
    42,715x = 8,737,575,625
  5. Step 5: Solve for x
    x = 8,737,575,625/42,715
  6. Step 6: Final answer
    x = 204,555.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.