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Finding the Third Proportional to 98,585 and 213,777

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Solution

The third proportional to 98,585 and 213,777 is: 463,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,585 : 213,777 = 213,777 : x
  2. Step 2: Convert to fraction form
    98,585/213,777 = 213,777/x
  3. Step 3: Cross multiply
    98,585x = 213,777 × 213,777
  4. Step 4: Simplify right side
    98,585x = 45,700,605,729
  5. Step 5: Solve for x
    x = 45,700,605,729/98,585
  6. Step 6: Final answer
    x = 463,565.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.