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Finding the Third Proportional to 22,122.50 and 47,764

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Solution

The third proportional to 22,122.50 and 47,764 is: 103,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.50 : 47,764 = 47,764 : x
  2. Step 2: Convert to fraction form
    22,122.50/47,764 = 47,764/x
  3. Step 3: Cross multiply
    22,122.50x = 47,764 × 47,764
  4. Step 4: Simplify right side
    22,122.50x = 2,281,399,696
  5. Step 5: Solve for x
    x = 2,281,399,696/22,122.50
  6. Step 6: Final answer
    x = 103,125.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.