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Finding the Third Proportional to 193,808,979 and 297,897,822

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Solution

The third proportional to 193,808,979 and 297,897,822 is: 457,889,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,808,979 : 297,897,822 = 297,897,822 : x
  2. Step 2: Convert to fraction form
    193,808,979/297,897,822 = 297,897,822/x
  3. Step 3: Cross multiply
    193,808,979x = 297,897,822 × 297,897,822
  4. Step 4: Simplify right side
    193,808,979x = 88,743,112,352,343,680
  5. Step 5: Solve for x
    x = 88,743,112,352,343,680/193,808,979
  6. Step 6: Final answer
    x = 457,889,581.85

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.