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Finding the Third Proportional to 4,878 and 12,026.25

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Solution

The third proportional to 4,878 and 12,026.25 is: 29,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878 : 12,026.25 = 12,026.25 : x
  2. Step 2: Convert to fraction form
    4,878/12,026.25 = 12,026.25/x
  3. Step 3: Cross multiply
    4,878x = 12,026.25 × 12,026.25
  4. Step 4: Simplify right side
    4,878x = 144,630,689.06
  5. Step 5: Solve for x
    x = 144,630,689.06/4,878
  6. Step 6: Final answer
    x = 29,649.59

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.