Home / 155,148,432.75-231,377,234.06

Finding the Third Proportional to 155,148,432.75 and 231,377,234.06

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Solution

The third proportional to 155,148,432.75 and 231,377,234.06 is: 345,059,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148,432.75 : 231,377,234.06 = 231,377,234.06 : x
  2. Step 2: Convert to fraction form
    155,148,432.75/231,377,234.06 = 231,377,234.06/x
  3. Step 3: Cross multiply
    155,148,432.75x = 231,377,234.06 × 231,377,234.06
  4. Step 4: Simplify right side
    155,148,432.75x = 53,535,424,442,412,912
  5. Step 5: Solve for x
    x = 53,535,424,442,412,912/155,148,432.75
  6. Step 6: Final answer
    x = 345,059,395.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.