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Finding the Third Proportional to 114,760.13 and 172,140.19

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Solution

The third proportional to 114,760.13 and 172,140.19 is: 258,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,760.13 : 172,140.19 = 172,140.19 : x
  2. Step 2: Convert to fraction form
    114,760.13/172,140.19 = 172,140.19/x
  3. Step 3: Cross multiply
    114,760.13x = 172,140.19 × 172,140.19
  4. Step 4: Simplify right side
    114,760.13x = 29,632,244,152.54
  5. Step 5: Solve for x
    x = 29,632,244,152.54/114,760.13
  6. Step 6: Final answer
    x = 258,210.28

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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.