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Finding the Third Proportional to 62.50 and 93.50

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Solution

The third proportional to 62.50 and 93.50 is: 139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.50 : 93.50 = 93.50 : x
  2. Step 2: Convert to fraction form
    62.50/93.50 = 93.50/x
  3. Step 3: Cross multiply
    62.50x = 93.50 × 93.50
  4. Step 4: Simplify right side
    62.50x = 8,742.25
  5. Step 5: Solve for x
    x = 8,742.25/62.50
  6. Step 6: Final answer
    x = 139.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.