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Finding the Third Proportional to 79,146 and 170,580

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Solution

The third proportional to 79,146 and 170,580 is: 367,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146 : 170,580 = 170,580 : x
  2. Step 2: Convert to fraction form
    79,146/170,580 = 170,580/x
  3. Step 3: Cross multiply
    79,146x = 170,580 × 170,580
  4. Step 4: Simplify right side
    79,146x = 29,097,536,400
  5. Step 5: Solve for x
    x = 29,097,536,400/79,146
  6. Step 6: Final answer
    x = 367,643.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.