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Finding the Third Proportional to 98,705.25 and 153,114.75

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Solution

The third proportional to 98,705.25 and 153,114.75 is: 237,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,705.25 : 153,114.75 = 153,114.75 : x
  2. Step 2: Convert to fraction form
    98,705.25/153,114.75 = 153,114.75/x
  3. Step 3: Cross multiply
    98,705.25x = 153,114.75 × 153,114.75
  4. Step 4: Simplify right side
    98,705.25x = 23,444,126,667.56
  5. Step 5: Solve for x
    x = 23,444,126,667.56/98,705.25
  6. Step 6: Final answer
    x = 237,516.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.