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Finding the Third Proportional to 98,530 and 152,855

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Solution

The third proportional to 98,530 and 152,855 is: 237,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,530 : 152,855 = 152,855 : x
  2. Step 2: Convert to fraction form
    98,530/152,855 = 152,855/x
  3. Step 3: Cross multiply
    98,530x = 152,855 × 152,855
  4. Step 4: Simplify right side
    98,530x = 23,364,651,025
  5. Step 5: Solve for x
    x = 23,364,651,025/98,530
  6. Step 6: Final answer
    x = 237,132.36

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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.