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Finding the Third Proportional to 7,040.13 and 9,842.50

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Solution

The third proportional to 7,040.13 and 9,842.50 is: 13,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.13 : 9,842.50 = 9,842.50 : x
  2. Step 2: Convert to fraction form
    7,040.13/9,842.50 = 9,842.50/x
  3. Step 3: Cross multiply
    7,040.13x = 9,842.50 × 9,842.50
  4. Step 4: Simplify right side
    7,040.13x = 96,874,806.25
  5. Step 5: Solve for x
    x = 96,874,806.25/7,040.13
  6. Step 6: Final answer
    x = 13,760.38

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.