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Finding the Third Proportional to 187,037.63 and 290,205.56

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Solution

The third proportional to 187,037.63 and 290,205.56 is: 450,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,037.63 : 290,205.56 = 290,205.56 : x
  2. Step 2: Convert to fraction form
    187,037.63/290,205.56 = 290,205.56/x
  3. Step 3: Cross multiply
    187,037.63x = 290,205.56 × 290,205.56
  4. Step 4: Simplify right side
    187,037.63x = 84,219,268,505.94
  5. Step 5: Solve for x
    x = 84,219,268,505.94/187,037.63
  6. Step 6: Final answer
    x = 450,279.82

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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.