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Finding the Third Proportional to 40,527 and 54,558

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Solution

The third proportional to 40,527 and 54,558 is: 73,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,527 : 54,558 = 54,558 : x
  2. Step 2: Convert to fraction form
    40,527/54,558 = 54,558/x
  3. Step 3: Cross multiply
    40,527x = 54,558 × 54,558
  4. Step 4: Simplify right side
    40,527x = 2,976,575,364
  5. Step 5: Solve for x
    x = 2,976,575,364/40,527
  6. Step 6: Final answer
    x = 73,446.72

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.