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Finding the Third Proportional to 20,993,400 and 34,280,388

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Solution

The third proportional to 20,993,400 and 34,280,388 is: 55,976,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,993,400 : 34,280,388 = 34,280,388 : x
  2. Step 2: Convert to fraction form
    20,993,400/34,280,388 = 34,280,388/x
  3. Step 3: Cross multiply
    20,993,400x = 34,280,388 × 34,280,388
  4. Step 4: Simplify right side
    20,993,400x = 1,175,145,001,430,544
  5. Step 5: Solve for x
    x = 1,175,145,001,430,544/20,993,400
  6. Step 6: Final answer
    x = 55,976,878.52

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.