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Finding the Third Proportional to 5,126,211 and 7,209,677

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Solution

The third proportional to 5,126,211 and 7,209,677 is: 10,139,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,211 : 7,209,677 = 7,209,677 : x
  2. Step 2: Convert to fraction form
    5,126,211/7,209,677 = 7,209,677/x
  3. Step 3: Cross multiply
    5,126,211x = 7,209,677 × 7,209,677
  4. Step 4: Simplify right side
    5,126,211x = 51,979,442,444,329
  5. Step 5: Solve for x
    x = 51,979,442,444,329/5,126,211
  6. Step 6: Final answer
    x = 10,139,934.24

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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.