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Finding the Third Proportional to 37,220 and 54,534

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Solution

The third proportional to 37,220 and 54,534 is: 79,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220 : 54,534 = 54,534 : x
  2. Step 2: Convert to fraction form
    37,220/54,534 = 54,534/x
  3. Step 3: Cross multiply
    37,220x = 54,534 × 54,534
  4. Step 4: Simplify right side
    37,220x = 2,973,957,156
  5. Step 5: Solve for x
    x = 2,973,957,156/37,220
  6. Step 6: Final answer
    x = 79,902.13

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.