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Finding the Third Proportional to 9,894,372 and 15,135,810

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Solution

The third proportional to 9,894,372 and 15,135,810 is: 23,153,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,372 : 15,135,810 = 15,135,810 : x
  2. Step 2: Convert to fraction form
    9,894,372/15,135,810 = 15,135,810/x
  3. Step 3: Cross multiply
    9,894,372x = 15,135,810 × 15,135,810
  4. Step 4: Simplify right side
    9,894,372x = 229,092,744,356,100
  5. Step 5: Solve for x
    x = 229,092,744,356,100/9,894,372
  6. Step 6: Final answer
    x = 23,153,843.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.