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Finding the Third Proportional to 151,956,288 and 309,278,340

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Solution

The third proportional to 151,956,288 and 309,278,340 is: 629,477,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,956,288 : 309,278,340 = 309,278,340 : x
  2. Step 2: Convert to fraction form
    151,956,288/309,278,340 = 309,278,340/x
  3. Step 3: Cross multiply
    151,956,288x = 309,278,340 × 309,278,340
  4. Step 4: Simplify right side
    151,956,288x = 95,653,091,593,155,600
  5. Step 5: Solve for x
    x = 95,653,091,593,155,600/151,956,288
  6. Step 6: Final answer
    x = 629,477,679.75

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.