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Finding the Third Proportional to 10,545.75 and 15,656.63

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Solution

The third proportional to 10,545.75 and 15,656.63 is: 23,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.75 : 15,656.63 = 15,656.63 : x
  2. Step 2: Convert to fraction form
    10,545.75/15,656.63 = 15,656.63/x
  3. Step 3: Cross multiply
    10,545.75x = 15,656.63 × 15,656.63
  4. Step 4: Simplify right side
    10,545.75x = 245,129,906.39
  5. Step 5: Solve for x
    x = 245,129,906.39/10,545.75
  6. Step 6: Final answer
    x = 23,244.43

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.