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Finding the Third Proportional to 33,310 and 77,127

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Solution

The third proportional to 33,310 and 77,127 is: 178,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310 : 77,127 = 77,127 : x
  2. Step 2: Convert to fraction form
    33,310/77,127 = 77,127/x
  3. Step 3: Cross multiply
    33,310x = 77,127 × 77,127
  4. Step 4: Simplify right side
    33,310x = 5,948,574,129
  5. Step 5: Solve for x
    x = 5,948,574,129/33,310
  6. Step 6: Final answer
    x = 178,582.23

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.