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Finding the Third Proportional to 4,115,390 and 9,045,484

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Solution

The third proportional to 4,115,390 and 9,045,484 is: 19,881,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,390 : 9,045,484 = 9,045,484 : x
  2. Step 2: Convert to fraction form
    4,115,390/9,045,484 = 9,045,484/x
  3. Step 3: Cross multiply
    4,115,390x = 9,045,484 × 9,045,484
  4. Step 4: Simplify right side
    4,115,390x = 81,820,780,794,256
  5. Step 5: Solve for x
    x = 81,820,780,794,256/4,115,390
  6. Step 6: Final answer
    x = 19,881,659.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.