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Finding the Third Proportional to 180,522 and 280,651.50

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Solution

The third proportional to 180,522 and 280,651.50 is: 436,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,522 : 280,651.50 = 280,651.50 : x
  2. Step 2: Convert to fraction form
    180,522/280,651.50 = 280,651.50/x
  3. Step 3: Cross multiply
    180,522x = 280,651.50 × 280,651.50
  4. Step 4: Simplify right side
    180,522x = 78,765,264,452.25
  5. Step 5: Solve for x
    x = 78,765,264,452.25/180,522
  6. Step 6: Final answer
    x = 436,319.48

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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.