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Finding the Third Proportional to 20,731,872 and 45,110,008

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Solution

The third proportional to 20,731,872 and 45,110,008 is: 98,153,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731,872 : 45,110,008 = 45,110,008 : x
  2. Step 2: Convert to fraction form
    20,731,872/45,110,008 = 45,110,008/x
  3. Step 3: Cross multiply
    20,731,872x = 45,110,008 × 45,110,008
  4. Step 4: Simplify right side
    20,731,872x = 2,034,912,821,760,064
  5. Step 5: Solve for x
    x = 2,034,912,821,760,064/20,731,872
  6. Step 6: Final answer
    x = 98,153,838.77

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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.