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Finding the Third Proportional to 54,678,279 and 76,911,862.50

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Solution

The third proportional to 54,678,279 and 76,911,862.50 is: 108,186,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678,279 : 76,911,862.50 = 76,911,862.50 : x
  2. Step 2: Convert to fraction form
    54,678,279/76,911,862.50 = 76,911,862.50/x
  3. Step 3: Cross multiply
    54,678,279x = 76,911,862.50 × 76,911,862.50
  4. Step 4: Simplify right side
    54,678,279x = 5,915,434,593,218,906
  5. Step 5: Solve for x
    x = 5,915,434,593,218,906/54,678,279
  6. Step 6: Final answer
    x = 108,186,188.40

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.