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Finding the Third Proportional to 34,623 and 75,321

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Solution

The third proportional to 34,623 and 75,321 is: 163,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,623 : 75,321 = 75,321 : x
  2. Step 2: Convert to fraction form
    34,623/75,321 = 75,321/x
  3. Step 3: Cross multiply
    34,623x = 75,321 × 75,321
  4. Step 4: Simplify right side
    34,623x = 5,673,253,041
  5. Step 5: Solve for x
    x = 5,673,253,041/34,623
  6. Step 6: Final answer
    x = 163,857.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.