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Finding the Third Proportional to 98,184 and 218,580

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Solution

The third proportional to 98,184 and 218,580 is: 486,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,184 : 218,580 = 218,580 : x
  2. Step 2: Convert to fraction form
    98,184/218,580 = 218,580/x
  3. Step 3: Cross multiply
    98,184x = 218,580 × 218,580
  4. Step 4: Simplify right side
    98,184x = 47,777,216,400
  5. Step 5: Solve for x
    x = 47,777,216,400/98,184
  6. Step 6: Final answer
    x = 486,608.98

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.