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Finding the Third Proportional to 193,776 and 415,581

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Solution

The third proportional to 193,776 and 415,581 is: 891,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,776 : 415,581 = 415,581 : x
  2. Step 2: Convert to fraction form
    193,776/415,581 = 415,581/x
  3. Step 3: Cross multiply
    193,776x = 415,581 × 415,581
  4. Step 4: Simplify right side
    193,776x = 172,707,567,561
  5. Step 5: Solve for x
    x = 172,707,567,561/193,776
  6. Step 6: Final answer
    x = 891,274.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.