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Finding the Third Proportional to 115,598.25 and 172,617.75

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Solution

The third proportional to 115,598.25 and 172,617.75 is: 257,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,598.25 : 172,617.75 = 172,617.75 : x
  2. Step 2: Convert to fraction form
    115,598.25/172,617.75 = 172,617.75/x
  3. Step 3: Cross multiply
    115,598.25x = 172,617.75 × 172,617.75
  4. Step 4: Simplify right side
    115,598.25x = 29,796,887,615.06
  5. Step 5: Solve for x
    x = 29,796,887,615.06/115,598.25
  6. Step 6: Final answer
    x = 257,762.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.