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Finding the Third Proportional to 20,817,225 and 45,109,584

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Solution

The third proportional to 20,817,225 and 45,109,584 is: 97,749,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817,225 : 45,109,584 = 45,109,584 : x
  2. Step 2: Convert to fraction form
    20,817,225/45,109,584 = 45,109,584/x
  3. Step 3: Cross multiply
    20,817,225x = 45,109,584 × 45,109,584
  4. Step 4: Simplify right side
    20,817,225x = 2,034,874,568,653,056
  5. Step 5: Solve for x
    x = 2,034,874,568,653,056/20,817,225
  6. Step 6: Final answer
    x = 97,749,559.25

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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.