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Finding the Third Proportional to 77,846 and 170,764

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Solution

The third proportional to 77,846 and 170,764 is: 374,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,846 : 170,764 = 170,764 : x
  2. Step 2: Convert to fraction form
    77,846/170,764 = 170,764/x
  3. Step 3: Cross multiply
    77,846x = 170,764 × 170,764
  4. Step 4: Simplify right side
    77,846x = 29,160,343,696
  5. Step 5: Solve for x
    x = 29,160,343,696/77,846
  6. Step 6: Final answer
    x = 374,590.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.