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Finding the Third Proportional to 173,226 and 391,260

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Solution

The third proportional to 173,226 and 391,260 is: 883,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,226 : 391,260 = 391,260 : x
  2. Step 2: Convert to fraction form
    173,226/391,260 = 391,260/x
  3. Step 3: Cross multiply
    173,226x = 391,260 × 391,260
  4. Step 4: Simplify right side
    173,226x = 153,084,387,600
  5. Step 5: Solve for x
    x = 153,084,387,600/173,226
  6. Step 6: Final answer
    x = 883,726.39

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.