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Finding the Third Proportional to 54,279 and 77,476.50

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Solution

The third proportional to 54,279 and 77,476.50 is: 110,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279 : 77,476.50 = 77,476.50 : x
  2. Step 2: Convert to fraction form
    54,279/77,476.50 = 77,476.50/x
  3. Step 3: Cross multiply
    54,279x = 77,476.50 × 77,476.50
  4. Step 4: Simplify right side
    54,279x = 6,002,608,052.25
  5. Step 5: Solve for x
    x = 6,002,608,052.25/54,279
  6. Step 6: Final answer
    x = 110,588.04

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.