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Finding the Third Proportional to 8,654.63 and 18,827.88

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Solution

The third proportional to 8,654.63 and 18,827.88 is: 40,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.63 : 18,827.88 = 18,827.88 : x
  2. Step 2: Convert to fraction form
    8,654.63/18,827.88 = 18,827.88/x
  3. Step 3: Cross multiply
    8,654.63x = 18,827.88 × 18,827.88
  4. Step 4: Simplify right side
    8,654.63x = 354,488,877.02
  5. Step 5: Solve for x
    x = 354,488,877.02/8,654.63
  6. Step 6: Final answer
    x = 40,959.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.