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Finding the Third Proportional to 87,911,808 and 178,308,000

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Solution

The third proportional to 87,911,808 and 178,308,000 is: 361,654,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,911,808 : 178,308,000 = 178,308,000 : x
  2. Step 2: Convert to fraction form
    87,911,808/178,308,000 = 178,308,000/x
  3. Step 3: Cross multiply
    87,911,808x = 178,308,000 × 178,308,000
  4. Step 4: Simplify right side
    87,911,808x = 31,793,742,864,000,000
  5. Step 5: Solve for x
    x = 31,793,742,864,000,000/87,911,808
  6. Step 6: Final answer
    x = 361,654,976.59

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.