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Finding the Third Proportional to 8,970.75 and 14,412.38

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Solution

The third proportional to 8,970.75 and 14,412.38 is: 23,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.75 : 14,412.38 = 14,412.38 : x
  2. Step 2: Convert to fraction form
    8,970.75/14,412.38 = 14,412.38/x
  3. Step 3: Cross multiply
    8,970.75x = 14,412.38 × 14,412.38
  4. Step 4: Simplify right side
    8,970.75x = 207,716,553.14
  5. Step 5: Solve for x
    x = 207,716,553.14/8,970.75
  6. Step 6: Final answer
    x = 23,154.87

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.