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Finding the Third Proportional to 274,225.50 and 416,630.25

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Solution

The third proportional to 274,225.50 and 416,630.25 is: 632,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,225.50 : 416,630.25 = 416,630.25 : x
  2. Step 2: Convert to fraction form
    274,225.50/416,630.25 = 416,630.25/x
  3. Step 3: Cross multiply
    274,225.50x = 416,630.25 × 416,630.25
  4. Step 4: Simplify right side
    274,225.50x = 173,580,765,215.06
  5. Step 5: Solve for x
    x = 173,580,765,215.06/274,225.50
  6. Step 6: Final answer
    x = 632,985.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.