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Finding the Third Proportional to 9,418,778 and 20,343,292

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Solution

The third proportional to 9,418,778 and 20,343,292 is: 43,938,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,778 : 20,343,292 = 20,343,292 : x
  2. Step 2: Convert to fraction form
    9,418,778/20,343,292 = 20,343,292/x
  3. Step 3: Cross multiply
    9,418,778x = 20,343,292 × 20,343,292
  4. Step 4: Simplify right side
    9,418,778x = 413,849,529,397,264
  5. Step 5: Solve for x
    x = 413,849,529,397,264/9,418,778
  6. Step 6: Final answer
    x = 43,938,770.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.