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Finding the Third Proportional to 8,700.75 and 14,347.13

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Solution

The third proportional to 8,700.75 and 14,347.13 is: 23,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.75 : 14,347.13 = 14,347.13 : x
  2. Step 2: Convert to fraction form
    8,700.75/14,347.13 = 14,347.13/x
  3. Step 3: Cross multiply
    8,700.75x = 14,347.13 × 14,347.13
  4. Step 4: Simplify right side
    8,700.75x = 205,839,995.77
  5. Step 5: Solve for x
    x = 205,839,995.77/8,700.75
  6. Step 6: Final answer
    x = 23,657.73

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.