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Finding the Third Proportional to 173,730 and 261,013

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Solution

The third proportional to 173,730 and 261,013 is: 392,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,730 : 261,013 = 261,013 : x
  2. Step 2: Convert to fraction form
    173,730/261,013 = 261,013/x
  3. Step 3: Cross multiply
    173,730x = 261,013 × 261,013
  4. Step 4: Simplify right side
    173,730x = 68,127,786,169
  5. Step 5: Solve for x
    x = 68,127,786,169/173,730
  6. Step 6: Final answer
    x = 392,147.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.