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Finding the Third Proportional to 908,896,228.50 and 1,987,853,253

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Solution

The third proportional to 908,896,228.50 and 1,987,853,253 is: 4,347,647,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,896,228.50 : 1,987,853,253 = 1,987,853,253 : x
  2. Step 2: Convert to fraction form
    908,896,228.50/1,987,853,253 = 1,987,853,253/x
  3. Step 3: Cross multiply
    908,896,228.50x = 1,987,853,253 × 1,987,853,253
  4. Step 4: Simplify right side
    908,896,228.50x = 3,951,560,555,462,682,112
  5. Step 5: Solve for x
    x = 3,951,560,555,462,682,112/908,896,228.50
  6. Step 6: Final answer
    x = 4,347,647,653.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.