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Finding the Third Proportional to 20,641,448 and 28,873,431

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Solution

The third proportional to 20,641,448 and 28,873,431 is: 40,388,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641,448 : 28,873,431 = 28,873,431 : x
  2. Step 2: Convert to fraction form
    20,641,448/28,873,431 = 28,873,431/x
  3. Step 3: Cross multiply
    20,641,448x = 28,873,431 × 28,873,431
  4. Step 4: Simplify right side
    20,641,448x = 833,675,017,711,761
  5. Step 5: Solve for x
    x = 833,675,017,711,761/20,641,448
  6. Step 6: Final answer
    x = 40,388,398.03

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.