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Finding the Third Proportional to 98,606.25 and 147,739.50

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Solution

The third proportional to 98,606.25 and 147,739.50 is: 221,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,606.25 : 147,739.50 = 147,739.50 : x
  2. Step 2: Convert to fraction form
    98,606.25/147,739.50 = 147,739.50/x
  3. Step 3: Cross multiply
    98,606.25x = 147,739.50 × 147,739.50
  4. Step 4: Simplify right side
    98,606.25x = 21,826,959,860.25
  5. Step 5: Solve for x
    x = 21,826,959,860.25/98,606.25
  6. Step 6: Final answer
    x = 221,354.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.