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Finding the Third Proportional to 47,801.50 and 75,920.75

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Solution

The third proportional to 47,801.50 and 75,920.75 is: 120,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,801.50 : 75,920.75 = 75,920.75 : x
  2. Step 2: Convert to fraction form
    47,801.50/75,920.75 = 75,920.75/x
  3. Step 3: Cross multiply
    47,801.50x = 75,920.75 × 75,920.75
  4. Step 4: Simplify right side
    47,801.50x = 5,763,960,280.56
  5. Step 5: Solve for x
    x = 5,763,960,280.56/47,801.50
  6. Step 6: Final answer
    x = 120,581.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.