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Finding the Third Proportional to 127,392,526 and 260,132,138

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Solution

The third proportional to 127,392,526 and 260,132,138 is: 531,182,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,392,526 : 260,132,138 = 260,132,138 : x
  2. Step 2: Convert to fraction form
    127,392,526/260,132,138 = 260,132,138/x
  3. Step 3: Cross multiply
    127,392,526x = 260,132,138 × 260,132,138
  4. Step 4: Simplify right side
    127,392,526x = 67,668,729,220,451,040
  5. Step 5: Solve for x
    x = 67,668,729,220,451,040/127,392,526
  6. Step 6: Final answer
    x = 531,182,882.90

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.