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Finding the Third Proportional to 170,865,868 and 372,780,914

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Solution

The third proportional to 170,865,868 and 372,780,914 is: 813,302,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865,868 : 372,780,914 = 372,780,914 : x
  2. Step 2: Convert to fraction form
    170,865,868/372,780,914 = 372,780,914/x
  3. Step 3: Cross multiply
    170,865,868x = 372,780,914 × 372,780,914
  4. Step 4: Simplify right side
    170,865,868x = 138,965,609,842,675,392
  5. Step 5: Solve for x
    x = 138,965,609,842,675,392/170,865,868
  6. Step 6: Final answer
    x = 813,302,337.50

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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.