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Finding the Third Proportional to 7,480.69 and 10,459.13

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Solution

The third proportional to 7,480.69 and 10,459.13 is: 14,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.69 : 10,459.13 = 10,459.13 : x
  2. Step 2: Convert to fraction form
    7,480.69/10,459.13 = 10,459.13/x
  3. Step 3: Cross multiply
    7,480.69x = 10,459.13 × 10,459.13
  4. Step 4: Simplify right side
    7,480.69x = 109,393,295.77
  5. Step 5: Solve for x
    x = 109,393,295.77/7,480.69
  6. Step 6: Final answer
    x = 14,623.43

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.