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Finding the Third Proportional to 98,132.50 and 211,808

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Solution

The third proportional to 98,132.50 and 211,808 is: 457,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,132.50 : 211,808 = 211,808 : x
  2. Step 2: Convert to fraction form
    98,132.50/211,808 = 211,808/x
  3. Step 3: Cross multiply
    98,132.50x = 211,808 × 211,808
  4. Step 4: Simplify right side
    98,132.50x = 44,862,628,864
  5. Step 5: Solve for x
    x = 44,862,628,864/98,132.50
  6. Step 6: Final answer
    x = 457,163.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.