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Finding the Third Proportional to 3,912,065 and 8,475,289

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Solution

The third proportional to 3,912,065 and 8,475,289 is: 18,361,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,065 : 8,475,289 = 8,475,289 : x
  2. Step 2: Convert to fraction form
    3,912,065/8,475,289 = 8,475,289/x
  3. Step 3: Cross multiply
    3,912,065x = 8,475,289 × 8,475,289
  4. Step 4: Simplify right side
    3,912,065x = 71,830,523,633,521
  5. Step 5: Solve for x
    x = 71,830,523,633,521/3,912,065
  6. Step 6: Final answer
    x = 18,361,280.71

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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.