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Finding the Third Proportional to 3,215,071 and 6,872,320

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Solution

The third proportional to 3,215,071 and 6,872,320 is: 14,689,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,071 : 6,872,320 = 6,872,320 : x
  2. Step 2: Convert to fraction form
    3,215,071/6,872,320 = 6,872,320/x
  3. Step 3: Cross multiply
    3,215,071x = 6,872,320 × 6,872,320
  4. Step 4: Simplify right side
    3,215,071x = 47,228,782,182,400
  5. Step 5: Solve for x
    x = 47,228,782,182,400/3,215,071
  6. Step 6: Final answer
    x = 14,689,810.02

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.