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Finding the Third Proportional to 3,251,390 and 7,146,361

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Solution

The third proportional to 3,251,390 and 7,146,361 is: 15,707,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251,390 : 7,146,361 = 7,146,361 : x
  2. Step 2: Convert to fraction form
    3,251,390/7,146,361 = 7,146,361/x
  3. Step 3: Cross multiply
    3,251,390x = 7,146,361 × 7,146,361
  4. Step 4: Simplify right side
    3,251,390x = 51,070,475,542,321
  5. Step 5: Solve for x
    x = 51,070,475,542,321/3,251,390
  6. Step 6: Final answer
    x = 15,707,274.59

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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.