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Finding the Third Proportional to 281,868,696 and 431,226,882

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Solution

The third proportional to 281,868,696 and 431,226,882 is: 659,727,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,868,696 : 431,226,882 = 431,226,882 : x
  2. Step 2: Convert to fraction form
    281,868,696/431,226,882 = 431,226,882/x
  3. Step 3: Cross multiply
    281,868,696x = 431,226,882 × 431,226,882
  4. Step 4: Simplify right side
    281,868,696x = 185,956,623,759,441,920
  5. Step 5: Solve for x
    x = 185,956,623,759,441,920/281,868,696
  6. Step 6: Final answer
    x = 659,727,832.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.