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Finding the Third Proportional to 3,685,221 and 7,974,081

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Solution

The third proportional to 3,685,221 and 7,974,081 is: 17,254,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,221 : 7,974,081 = 7,974,081 : x
  2. Step 2: Convert to fraction form
    3,685,221/7,974,081 = 7,974,081/x
  3. Step 3: Cross multiply
    3,685,221x = 7,974,081 × 7,974,081
  4. Step 4: Simplify right side
    3,685,221x = 63,585,967,794,561
  5. Step 5: Solve for x
    x = 63,585,967,794,561/3,685,221
  6. Step 6: Final answer
    x = 17,254,316.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.