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Finding the Third Proportional to 191,587.50 and 290,034.75

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Solution

The third proportional to 191,587.50 and 290,034.75 is: 439,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,587.50 : 290,034.75 = 290,034.75 : x
  2. Step 2: Convert to fraction form
    191,587.50/290,034.75 = 290,034.75/x
  3. Step 3: Cross multiply
    191,587.50x = 290,034.75 × 290,034.75
  4. Step 4: Simplify right side
    191,587.50x = 84,120,156,207.56
  5. Step 5: Solve for x
    x = 84,120,156,207.56/191,587.50
  6. Step 6: Final answer
    x = 439,069.13

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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.