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Finding the Third Proportional to 9,180.75 and 12,124.13

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Solution

The third proportional to 9,180.75 and 12,124.13 is: 16,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.75 : 12,124.13 = 12,124.13 : x
  2. Step 2: Convert to fraction form
    9,180.75/12,124.13 = 12,124.13/x
  3. Step 3: Cross multiply
    9,180.75x = 12,124.13 × 12,124.13
  4. Step 4: Simplify right side
    9,180.75x = 146,994,407.02
  5. Step 5: Solve for x
    x = 146,994,407.02/9,180.75
  6. Step 6: Final answer
    x = 16,011.15

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.