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Finding the Third Proportional to 67,276.13 and 141,522.75

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Solution

The third proportional to 67,276.13 and 141,522.75 is: 297,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,276.13 : 141,522.75 = 141,522.75 : x
  2. Step 2: Convert to fraction form
    67,276.13/141,522.75 = 141,522.75/x
  3. Step 3: Cross multiply
    67,276.13x = 141,522.75 × 141,522.75
  4. Step 4: Simplify right side
    67,276.13x = 20,028,688,767.56
  5. Step 5: Solve for x
    x = 20,028,688,767.56/67,276.13
  6. Step 6: Final answer
    x = 297,708.72

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.