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Finding the Third Proportional to 1,957.88 and 4,175.63

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Solution

The third proportional to 1,957.88 and 4,175.63 is: 8,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.88 : 4,175.63 = 4,175.63 : x
  2. Step 2: Convert to fraction form
    1,957.88/4,175.63 = 4,175.63/x
  3. Step 3: Cross multiply
    1,957.88x = 4,175.63 × 4,175.63
  4. Step 4: Simplify right side
    1,957.88x = 17,435,844.14
  5. Step 5: Solve for x
    x = 17,435,844.14/1,957.88
  6. Step 6: Final answer
    x = 8,905.49

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.