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Finding the Third Proportional to 9,418,828 and 20,343,392

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Solution

The third proportional to 9,418,828 and 20,343,392 is: 43,938,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,828 : 20,343,392 = 20,343,392 : x
  2. Step 2: Convert to fraction form
    9,418,828/20,343,392 = 20,343,392/x
  3. Step 3: Cross multiply
    9,418,828x = 20,343,392 × 20,343,392
  4. Step 4: Simplify right side
    9,418,828x = 413,853,598,065,664
  5. Step 5: Solve for x
    x = 413,853,598,065,664/9,418,828
  6. Step 6: Final answer
    x = 43,938,969.70

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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.