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Finding the Third Proportional to 118,256,128.50 and 252,855,141

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Solution

The third proportional to 118,256,128.50 and 252,855,141 is: 540,654,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,256,128.50 : 252,855,141 = 252,855,141 : x
  2. Step 2: Convert to fraction form
    118,256,128.50/252,855,141 = 252,855,141/x
  3. Step 3: Cross multiply
    118,256,128.50x = 252,855,141 × 252,855,141
  4. Step 4: Simplify right side
    118,256,128.50x = 63,935,722,330,129,880
  5. Step 5: Solve for x
    x = 63,935,722,330,129,880/118,256,128.50
  6. Step 6: Final answer
    x = 540,654,620.96

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.