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Finding the Third Proportional to 3,985.88 and 6,145.88

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Solution

The third proportional to 3,985.88 and 6,145.88 is: 9,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.88 : 6,145.88 = 6,145.88 : x
  2. Step 2: Convert to fraction form
    3,985.88/6,145.88 = 6,145.88/x
  3. Step 3: Cross multiply
    3,985.88x = 6,145.88 × 6,145.88
  4. Step 4: Simplify right side
    3,985.88x = 37,771,779.52
  5. Step 5: Solve for x
    x = 37,771,779.52/3,985.88
  6. Step 6: Final answer
    x = 9,476.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.