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Finding the Third Proportional to 90,959.13 and 191,343

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Solution

The third proportional to 90,959.13 and 191,343 is: 402,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959.13 : 191,343 = 191,343 : x
  2. Step 2: Convert to fraction form
    90,959.13/191,343 = 191,343/x
  3. Step 3: Cross multiply
    90,959.13x = 191,343 × 191,343
  4. Step 4: Simplify right side
    90,959.13x = 36,612,143,649
  5. Step 5: Solve for x
    x = 36,612,143,649/90,959.13
  6. Step 6: Final answer
    x = 402,512.05

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.