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Finding the Third Proportional to 20,817,867 and 45,110,877

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Solution

The third proportional to 20,817,867 and 45,110,877 is: 97,752,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817,867 : 45,110,877 = 45,110,877 : x
  2. Step 2: Convert to fraction form
    20,817,867/45,110,877 = 45,110,877/x
  3. Step 3: Cross multiply
    20,817,867x = 45,110,877 × 45,110,877
  4. Step 4: Simplify right side
    20,817,867x = 2,034,991,223,709,129
  5. Step 5: Solve for x
    x = 2,034,991,223,709,129/20,817,867
  6. Step 6: Final answer
    x = 97,752,148.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.