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Finding the Third Proportional to 38,289,060 and 81,960,180

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Solution

The third proportional to 38,289,060 and 81,960,180 is: 175,441,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289,060 : 81,960,180 = 81,960,180 : x
  2. Step 2: Convert to fraction form
    38,289,060/81,960,180 = 81,960,180/x
  3. Step 3: Cross multiply
    38,289,060x = 81,960,180 × 81,960,180
  4. Step 4: Simplify right side
    38,289,060x = 6,717,471,105,632,400
  5. Step 5: Solve for x
    x = 6,717,471,105,632,400/38,289,060
  6. Step 6: Final answer
    x = 175,441,003.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.