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Finding the Third Proportional to 170,560 and 266,976

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Solution

The third proportional to 170,560 and 266,976 is: 417,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,560 : 266,976 = 266,976 : x
  2. Step 2: Convert to fraction form
    170,560/266,976 = 266,976/x
  3. Step 3: Cross multiply
    170,560x = 266,976 × 266,976
  4. Step 4: Simplify right side
    170,560x = 71,276,184,576
  5. Step 5: Solve for x
    x = 71,276,184,576/170,560
  6. Step 6: Final answer
    x = 417,895.08

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.