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Finding the Third Proportional to 9,894,405 and 15,135,876

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Solution

The third proportional to 9,894,405 and 15,135,876 is: 23,153,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,405 : 15,135,876 = 15,135,876 : x
  2. Step 2: Convert to fraction form
    9,894,405/15,135,876 = 15,135,876/x
  3. Step 3: Cross multiply
    9,894,405x = 15,135,876 × 15,135,876
  4. Step 4: Simplify right side
    9,894,405x = 229,094,742,287,376
  5. Step 5: Solve for x
    x = 229,094,742,287,376/9,894,405
  6. Step 6: Final answer
    x = 23,153,968.56

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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.