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Finding the Third Proportional to 4,170,218 and 9,057,706

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Solution

The third proportional to 4,170,218 and 9,057,706 is: 19,673,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170,218 : 9,057,706 = 9,057,706 : x
  2. Step 2: Convert to fraction form
    4,170,218/9,057,706 = 9,057,706/x
  3. Step 3: Cross multiply
    4,170,218x = 9,057,706 × 9,057,706
  4. Step 4: Simplify right side
    4,170,218x = 82,042,037,982,436
  5. Step 5: Solve for x
    x = 82,042,037,982,436/4,170,218
  6. Step 6: Final answer
    x = 19,673,321.15

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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.