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Finding the Third Proportional to 9,708,763 and 20,930,657

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Solution

The third proportional to 9,708,763 and 20,930,657 is: 45,123,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708,763 : 20,930,657 = 20,930,657 : x
  2. Step 2: Convert to fraction form
    9,708,763/20,930,657 = 20,930,657/x
  3. Step 3: Cross multiply
    9,708,763x = 20,930,657 × 20,930,657
  4. Step 4: Simplify right side
    9,708,763x = 438,092,402,451,649
  5. Step 5: Solve for x
    x = 438,092,402,451,649/9,708,763
  6. Step 6: Final answer
    x = 45,123,400.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.