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Finding the Third Proportional to 61,243.50 and 93,687

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Solution

The third proportional to 61,243.50 and 93,687 is: 143,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,243.50 : 93,687 = 93,687 : x
  2. Step 2: Convert to fraction form
    61,243.50/93,687 = 93,687/x
  3. Step 3: Cross multiply
    61,243.50x = 93,687 × 93,687
  4. Step 4: Simplify right side
    61,243.50x = 8,777,253,969
  5. Step 5: Solve for x
    x = 8,777,253,969/61,243.50
  6. Step 6: Final answer
    x = 143,317.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.