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Finding the Third Proportional to 34,890 and 75,604

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Solution

The third proportional to 34,890 and 75,604 is: 163,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890 : 75,604 = 75,604 : x
  2. Step 2: Convert to fraction form
    34,890/75,604 = 75,604/x
  3. Step 3: Cross multiply
    34,890x = 75,604 × 75,604
  4. Step 4: Simplify right side
    34,890x = 5,715,964,816
  5. Step 5: Solve for x
    x = 5,715,964,816/34,890
  6. Step 6: Final answer
    x = 163,828.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.