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Finding the Third Proportional to 155,782.50 and 338,902.50

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Solution

The third proportional to 155,782.50 and 338,902.50 is: 737,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,782.50 : 338,902.50 = 338,902.50 : x
  2. Step 2: Convert to fraction form
    155,782.50/338,902.50 = 338,902.50/x
  3. Step 3: Cross multiply
    155,782.50x = 338,902.50 × 338,902.50
  4. Step 4: Simplify right side
    155,782.50x = 114,854,904,506.25
  5. Step 5: Solve for x
    x = 114,854,904,506.25/155,782.50
  6. Step 6: Final answer
    x = 737,277.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.