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Finding the Third Proportional to 7,139,693 and 15,696,559

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Solution

The third proportional to 7,139,693 and 15,696,559 is: 34,508,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,693 : 15,696,559 = 15,696,559 : x
  2. Step 2: Convert to fraction form
    7,139,693/15,696,559 = 15,696,559/x
  3. Step 3: Cross multiply
    7,139,693x = 15,696,559 × 15,696,559
  4. Step 4: Simplify right side
    7,139,693x = 246,381,964,440,481
  5. Step 5: Solve for x
    x = 246,381,964,440,481/7,139,693
  6. Step 6: Final answer
    x = 34,508,761.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.