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Finding the Third Proportional to 332,510.81 and 515,919.94

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Solution

The third proportional to 332,510.81 and 515,919.94 is: 800,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,510.81 : 515,919.94 = 515,919.94 : x
  2. Step 2: Convert to fraction form
    332,510.81/515,919.94 = 515,919.94/x
  3. Step 3: Cross multiply
    332,510.81x = 515,919.94 × 515,919.94
  4. Step 4: Simplify right side
    332,510.81x = 266,173,381,910.00
  5. Step 5: Solve for x
    x = 266,173,381,910.00/332,510.81
  6. Step 6: Final answer
    x = 800,495.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.