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Finding the Third Proportional to 6,625.55 and 14,421.48

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Solution

The third proportional to 6,625.55 and 14,421.48 is: 31,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.55 : 14,421.48 = 14,421.48 : x
  2. Step 2: Convert to fraction form
    6,625.55/14,421.48 = 14,421.48/x
  3. Step 3: Cross multiply
    6,625.55x = 14,421.48 × 14,421.48
  4. Step 4: Simplify right side
    6,625.55x = 207,979,098.91
  5. Step 5: Solve for x
    x = 207,979,098.91/6,625.55
  6. Step 6: Final answer
    x = 31,390.48

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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.