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Finding the Third Proportional to 9,715.88 and 14,254.78

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Solution

The third proportional to 9,715.88 and 14,254.78 is: 20,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.88 : 14,254.78 = 14,254.78 : x
  2. Step 2: Convert to fraction form
    9,715.88/14,254.78 = 14,254.78/x
  3. Step 3: Cross multiply
    9,715.88x = 14,254.78 × 14,254.78
  4. Step 4: Simplify right side
    9,715.88x = 203,198,788.49
  5. Step 5: Solve for x
    x = 203,198,788.49/9,715.88
  6. Step 6: Final answer
    x = 20,914.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.