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Finding the Third Proportional to 12,748 and 19,118

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Solution

The third proportional to 12,748 and 19,118 is: 28,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748 : 19,118 = 19,118 : x
  2. Step 2: Convert to fraction form
    12,748/19,118 = 19,118/x
  3. Step 3: Cross multiply
    12,748x = 19,118 × 19,118
  4. Step 4: Simplify right side
    12,748x = 365,497,924
  5. Step 5: Solve for x
    x = 365,497,924/12,748
  6. Step 6: Final answer
    x = 28,671.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.