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Finding the Third Proportional to 87,213.94 and 188,368.88

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Solution

The third proportional to 87,213.94 and 188,368.88 is: 406,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,213.94 : 188,368.88 = 188,368.88 : x
  2. Step 2: Convert to fraction form
    87,213.94/188,368.88 = 188,368.88/x
  3. Step 3: Cross multiply
    87,213.94x = 188,368.88 × 188,368.88
  4. Step 4: Simplify right side
    87,213.94x = 35,482,833,068.77
  5. Step 5: Solve for x
    x = 35,482,833,068.77/87,213.94
  6. Step 6: Final answer
    x = 406,848.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.