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Finding the Third Proportional to 9,815,918 and 20,996,526

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Solution

The third proportional to 9,815,918 and 20,996,526 is: 44,912,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815,918 : 20,996,526 = 20,996,526 : x
  2. Step 2: Convert to fraction form
    9,815,918/20,996,526 = 20,996,526/x
  3. Step 3: Cross multiply
    9,815,918x = 20,996,526 × 20,996,526
  4. Step 4: Simplify right side
    9,815,918x = 440,854,104,068,676
  5. Step 5: Solve for x
    x = 440,854,104,068,676/9,815,918
  6. Step 6: Final answer
    x = 44,912,162.48

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.