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Finding the Third Proportional to 170,865,872 and 372,780,922

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Solution

The third proportional to 170,865,872 and 372,780,922 is: 813,302,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,865,872 : 372,780,922 = 372,780,922 : x
  2. Step 2: Convert to fraction form
    170,865,872/372,780,922 = 372,780,922/x
  3. Step 3: Cross multiply
    170,865,872x = 372,780,922 × 372,780,922
  4. Step 4: Simplify right side
    170,865,872x = 138,965,615,807,170,080
  5. Step 5: Solve for x
    x = 138,965,615,807,170,080/170,865,872
  6. Step 6: Final answer
    x = 813,302,353.36

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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.