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Finding the Third Proportional to 8,378,499 and 18,079,632

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Solution

The third proportional to 8,378,499 and 18,079,632 is: 39,013,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,499 : 18,079,632 = 18,079,632 : x
  2. Step 2: Convert to fraction form
    8,378,499/18,079,632 = 18,079,632/x
  3. Step 3: Cross multiply
    8,378,499x = 18,079,632 × 18,079,632
  4. Step 4: Simplify right side
    8,378,499x = 326,873,093,255,424
  5. Step 5: Solve for x
    x = 326,873,093,255,424/8,378,499
  6. Step 6: Final answer
    x = 39,013,323.66

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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.