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Finding the Third Proportional to 20,133,822 and 30,202,920

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Solution

The third proportional to 20,133,822 and 30,202,920 is: 45,307,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133,822 : 30,202,920 = 30,202,920 : x
  2. Step 2: Convert to fraction form
    20,133,822/30,202,920 = 30,202,920/x
  3. Step 3: Cross multiply
    20,133,822x = 30,202,920 × 30,202,920
  4. Step 4: Simplify right side
    20,133,822x = 912,216,376,526,400
  5. Step 5: Solve for x
    x = 912,216,376,526,400/20,133,822
  6. Step 6: Final answer
    x = 45,307,660.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.