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Finding the Third Proportional to 191,592 and 290,041

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Solution

The third proportional to 191,592 and 290,041 is: 439,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,592 : 290,041 = 290,041 : x
  2. Step 2: Convert to fraction form
    191,592/290,041 = 290,041/x
  3. Step 3: Cross multiply
    191,592x = 290,041 × 290,041
  4. Step 4: Simplify right side
    191,592x = 84,123,781,681
  5. Step 5: Solve for x
    x = 84,123,781,681/191,592
  6. Step 6: Final answer
    x = 439,077.74

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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.