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Finding the Third Proportional to 66,658.50 and 93,750

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Solution

The third proportional to 66,658.50 and 93,750 is: 131,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,658.50 : 93,750 = 93,750 : x
  2. Step 2: Convert to fraction form
    66,658.50/93,750 = 93,750/x
  3. Step 3: Cross multiply
    66,658.50x = 93,750 × 93,750
  4. Step 4: Simplify right side
    66,658.50x = 8,789,062,500
  5. Step 5: Solve for x
    x = 8,789,062,500/66,658.50
  6. Step 6: Final answer
    x = 131,852.09

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.