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Finding the Third Proportional to 20,734,042 and 45,247,098

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Solution

The third proportional to 20,734,042 and 45,247,098 is: 98,740,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,042 : 45,247,098 = 45,247,098 : x
  2. Step 2: Convert to fraction form
    20,734,042/45,247,098 = 45,247,098/x
  3. Step 3: Cross multiply
    20,734,042x = 45,247,098 × 45,247,098
  4. Step 4: Simplify right side
    20,734,042x = 2,047,299,877,421,604
  5. Step 5: Solve for x
    x = 2,047,299,877,421,604/20,734,042
  6. Step 6: Final answer
    x = 98,740,992.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.