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Finding the Third Proportional to 42,700.50 and 93,717

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Solution

The third proportional to 42,700.50 and 93,717 is: 205,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,700.50 : 93,717 = 93,717 : x
  2. Step 2: Convert to fraction form
    42,700.50/93,717 = 93,717/x
  3. Step 3: Cross multiply
    42,700.50x = 93,717 × 93,717
  4. Step 4: Simplify right side
    42,700.50x = 8,782,876,089
  5. Step 5: Solve for x
    x = 8,782,876,089/42,700.50
  6. Step 6: Final answer
    x = 205,685.56

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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.