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Finding the Third Proportional to 191,020.88 and 258,505.88

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Solution

The third proportional to 191,020.88 and 258,505.88 is: 349,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,020.88 : 258,505.88 = 258,505.88 : x
  2. Step 2: Convert to fraction form
    191,020.88/258,505.88 = 258,505.88/x
  3. Step 3: Cross multiply
    191,020.88x = 258,505.88 × 258,505.88
  4. Step 4: Simplify right side
    191,020.88x = 66,825,287,409.52
  5. Step 5: Solve for x
    x = 66,825,287,409.52/191,020.88
  6. Step 6: Final answer
    x = 349,832.38

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.