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Finding the Third Proportional to 21,253,698 and 44,019,708

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Solution

The third proportional to 21,253,698 and 44,019,708 is: 91,171,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,253,698 : 44,019,708 = 44,019,708 : x
  2. Step 2: Convert to fraction form
    21,253,698/44,019,708 = 44,019,708/x
  3. Step 3: Cross multiply
    21,253,698x = 44,019,708 × 44,019,708
  4. Step 4: Simplify right side
    21,253,698x = 1,937,734,692,405,264
  5. Step 5: Solve for x
    x = 1,937,734,692,405,264/21,253,698
  6. Step 6: Final answer
    x = 91,171,648.92

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.