Home / 155,704,972.50-219,018,588.75

Finding the Third Proportional to 155,704,972.50 and 219,018,588.75

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Solution

The third proportional to 155,704,972.50 and 219,018,588.75 is: 308,077,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,704,972.50 : 219,018,588.75 = 219,018,588.75 : x
  2. Step 2: Convert to fraction form
    155,704,972.50/219,018,588.75 = 219,018,588.75/x
  3. Step 3: Cross multiply
    155,704,972.50x = 219,018,588.75 × 219,018,588.75
  4. Step 4: Simplify right side
    155,704,972.50x = 47,969,142,218,041,624
  5. Step 5: Solve for x
    x = 47,969,142,218,041,624/155,704,972.50
  6. Step 6: Final answer
    x = 308,077,137.47

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.