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Finding the Third Proportional to 155,398.50 and 332,120.25

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Solution

The third proportional to 155,398.50 and 332,120.25 is: 709,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,398.50 : 332,120.25 = 332,120.25 : x
  2. Step 2: Convert to fraction form
    155,398.50/332,120.25 = 332,120.25/x
  3. Step 3: Cross multiply
    155,398.50x = 332,120.25 × 332,120.25
  4. Step 4: Simplify right side
    155,398.50x = 110,303,860,460.06
  5. Step 5: Solve for x
    x = 110,303,860,460.06/155,398.50
  6. Step 6: Final answer
    x = 709,812.90

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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.