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Finding the Third Proportional to 173,122 and 260,822

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Solution

The third proportional to 173,122 and 260,822 is: 392,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,122 : 260,822 = 260,822 : x
  2. Step 2: Convert to fraction form
    173,122/260,822 = 260,822/x
  3. Step 3: Cross multiply
    173,122x = 260,822 × 260,822
  4. Step 4: Simplify right side
    173,122x = 68,028,115,684
  5. Step 5: Solve for x
    x = 68,028,115,684/173,122
  6. Step 6: Final answer
    x = 392,948.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.