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Finding the Third Proportional to 11,791,431 and 25,000,020

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Solution

The third proportional to 11,791,431 and 25,000,020 is: 53,004,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791,431 : 25,000,020 = 25,000,020 : x
  2. Step 2: Convert to fraction form
    11,791,431/25,000,020 = 25,000,020/x
  3. Step 3: Cross multiply
    11,791,431x = 25,000,020 × 25,000,020
  4. Step 4: Simplify right side
    11,791,431x = 625,001,000,000,400
  5. Step 5: Solve for x
    x = 625,001,000,000,400/11,791,431
  6. Step 6: Final answer
    x = 53,004,677.72

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.