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Finding the Third Proportional to 158,421,876 and 252,080,304

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Solution

The third proportional to 158,421,876 and 252,080,304 is: 401,109,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,421,876 : 252,080,304 = 252,080,304 : x
  2. Step 2: Convert to fraction form
    158,421,876/252,080,304 = 252,080,304/x
  3. Step 3: Cross multiply
    158,421,876x = 252,080,304 × 252,080,304
  4. Step 4: Simplify right side
    158,421,876x = 63,544,479,664,732,416
  5. Step 5: Solve for x
    x = 63,544,479,664,732,416/158,421,876
  6. Step 6: Final answer
    x = 401,109,248.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.