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Finding the Third Proportional to 4,216.88 and 6,302.39

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Solution

The third proportional to 4,216.88 and 6,302.39 is: 9,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.88 : 6,302.39 = 6,302.39 : x
  2. Step 2: Convert to fraction form
    4,216.88/6,302.39 = 6,302.39/x
  3. Step 3: Cross multiply
    4,216.88x = 6,302.39 × 6,302.39
  4. Step 4: Simplify right side
    4,216.88x = 39,720,127.59
  5. Step 5: Solve for x
    x = 39,720,127.59/4,216.88
  6. Step 6: Final answer
    x = 9,419.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.