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Finding the Third Proportional to 15,337.69 and 21,750.19

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Solution

The third proportional to 15,337.69 and 21,750.19 is: 30,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.69 : 21,750.19 = 21,750.19 : x
  2. Step 2: Convert to fraction form
    15,337.69/21,750.19 = 21,750.19/x
  3. Step 3: Cross multiply
    15,337.69x = 21,750.19 × 21,750.19
  4. Step 4: Simplify right side
    15,337.69x = 473,070,656.29
  5. Step 5: Solve for x
    x = 473,070,656.29/15,337.69
  6. Step 6: Final answer
    x = 30,843.68

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.