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Finding the Third Proportional to 170,865,870 and 372,780,918

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Solution

The third proportional to 170,865,870 and 372,780,918 is: 813,302,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865,870 : 372,780,918 = 372,780,918 : x
  2. Step 2: Convert to fraction form
    170,865,870/372,780,918 = 372,780,918/x
  3. Step 3: Cross multiply
    170,865,870x = 372,780,918 × 372,780,918
  4. Step 4: Simplify right side
    170,865,870x = 138,965,612,824,922,720
  5. Step 5: Solve for x
    x = 138,965,612,824,922,720/170,865,870
  6. Step 6: Final answer
    x = 813,302,345.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.