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Finding the Third Proportional to 77,580 and 160,013.25

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Solution

The third proportional to 77,580 and 160,013.25 is: 330,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,580 : 160,013.25 = 160,013.25 : x
  2. Step 2: Convert to fraction form
    77,580/160,013.25 = 160,013.25/x
  3. Step 3: Cross multiply
    77,580x = 160,013.25 × 160,013.25
  4. Step 4: Simplify right side
    77,580x = 25,604,240,175.56
  5. Step 5: Solve for x
    x = 25,604,240,175.56/77,580
  6. Step 6: Final answer
    x = 330,036.61

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.