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Finding the Third Proportional to 98,480.25 and 143,412.75

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Solution

The third proportional to 98,480.25 and 143,412.75 is: 208,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,480.25 : 143,412.75 = 143,412.75 : x
  2. Step 2: Convert to fraction form
    98,480.25/143,412.75 = 143,412.75/x
  3. Step 3: Cross multiply
    98,480.25x = 143,412.75 × 143,412.75
  4. Step 4: Simplify right side
    98,480.25x = 20,567,216,862.56
  5. Step 5: Solve for x
    x = 20,567,216,862.56/98,480.25
  6. Step 6: Final answer
    x = 208,846.11

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.