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Finding the Third Proportional to 109,207,990.13 and 153,608,737.50

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Solution

The third proportional to 109,207,990.13 and 153,608,737.50 is: 216,061,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207,990.13 : 153,608,737.50 = 153,608,737.50 : x
  2. Step 2: Convert to fraction form
    109,207,990.13/153,608,737.50 = 153,608,737.50/x
  3. Step 3: Cross multiply
    109,207,990.13x = 153,608,737.50 × 153,608,737.50
  4. Step 4: Simplify right side
    109,207,990.13x = 23,595,644,236,343,908
  5. Step 5: Solve for x
    x = 23,595,644,236,343,908/109,207,990.13
  6. Step 6: Final answer
    x = 216,061,519.03

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.