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Finding the Third Proportional to 187,068 and 290,252

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Solution

The third proportional to 187,068 and 290,252 is: 450,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,068 : 290,252 = 290,252 : x
  2. Step 2: Convert to fraction form
    187,068/290,252 = 290,252/x
  3. Step 3: Cross multiply
    187,068x = 290,252 × 290,252
  4. Step 4: Simplify right side
    187,068x = 84,246,223,504
  5. Step 5: Solve for x
    x = 84,246,223,504/187,068
  6. Step 6: Final answer
    x = 450,350.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.