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Finding the Third Proportional to 15,931.69 and 23,905.13

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Solution

The third proportional to 15,931.69 and 23,905.13 is: 35,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.69 : 23,905.13 = 23,905.13 : x
  2. Step 2: Convert to fraction form
    15,931.69/23,905.13 = 23,905.13/x
  3. Step 3: Cross multiply
    15,931.69x = 23,905.13 × 23,905.13
  4. Step 4: Simplify right side
    15,931.69x = 571,455,001.27
  5. Step 5: Solve for x
    x = 571,455,001.27/15,931.69
  6. Step 6: Final answer
    x = 35,869.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.