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Finding the Third Proportional to 9,894,429 and 15,135,908

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Solution

The third proportional to 9,894,429 and 15,135,908 is: 23,154,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,429 : 15,135,908 = 15,135,908 : x
  2. Step 2: Convert to fraction form
    9,894,429/15,135,908 = 15,135,908/x
  3. Step 3: Cross multiply
    9,894,429x = 15,135,908 × 15,135,908
  4. Step 4: Simplify right side
    9,894,429x = 229,095,710,984,464
  5. Step 5: Solve for x
    x = 229,095,710,984,464/9,894,429
  6. Step 6: Final answer
    x = 23,154,010.30

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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.