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Finding the Third Proportional to 109,098,031.50 and 169,384,198.50

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Solution

The third proportional to 109,098,031.50 and 169,384,198.50 is: 262,983,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,098,031.50 : 169,384,198.50 = 169,384,198.50 : x
  2. Step 2: Convert to fraction form
    109,098,031.50/169,384,198.50 = 169,384,198.50/x
  3. Step 3: Cross multiply
    109,098,031.50x = 169,384,198.50 × 169,384,198.50
  4. Step 4: Simplify right side
    109,098,031.50x = 28,691,006,701,487,404
  5. Step 5: Solve for x
    x = 28,691,006,701,487,404/109,098,031.50
  6. Step 6: Final answer
    x = 262,983,724.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.