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Finding the Third Proportional to 8,785.13 and 20,287.13

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Solution

The third proportional to 8,785.13 and 20,287.13 is: 46,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.13 : 20,287.13 = 20,287.13 : x
  2. Step 2: Convert to fraction form
    8,785.13/20,287.13 = 20,287.13/x
  3. Step 3: Cross multiply
    8,785.13x = 20,287.13 × 20,287.13
  4. Step 4: Simplify right side
    8,785.13x = 411,567,440.77
  5. Step 5: Solve for x
    x = 411,567,440.77/8,785.13
  6. Step 6: Final answer
    x = 46,848.22

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.