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Finding the Third Proportional to 47,506.50 and 63,765

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Solution

The third proportional to 47,506.50 and 63,765 is: 85,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,506.50 : 63,765 = 63,765 : x
  2. Step 2: Convert to fraction form
    47,506.50/63,765 = 63,765/x
  3. Step 3: Cross multiply
    47,506.50x = 63,765 × 63,765
  4. Step 4: Simplify right side
    47,506.50x = 4,065,975,225
  5. Step 5: Solve for x
    x = 4,065,975,225/47,506.50
  6. Step 6: Final answer
    x = 85,587.77

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.