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Finding the Third Proportional to 3,308.98 and 4,886.58

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Solution

The third proportional to 3,308.98 and 4,886.58 is: 7,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.98 : 4,886.58 = 4,886.58 : x
  2. Step 2: Convert to fraction form
    3,308.98/4,886.58 = 4,886.58/x
  3. Step 3: Cross multiply
    3,308.98x = 4,886.58 × 4,886.58
  4. Step 4: Simplify right side
    3,308.98x = 23,878,645.77
  5. Step 5: Solve for x
    x = 23,878,645.77/3,308.98
  6. Step 6: Final answer
    x = 7,216.32

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.