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Finding the Third Proportional to 6,279.19 and 8,925.19

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Solution

The third proportional to 6,279.19 and 8,925.19 is: 12,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.19 : 8,925.19 = 8,925.19 : x
  2. Step 2: Convert to fraction form
    6,279.19/8,925.19 = 8,925.19/x
  3. Step 3: Cross multiply
    6,279.19x = 8,925.19 × 8,925.19
  4. Step 4: Simplify right side
    6,279.19x = 79,658,971.91
  5. Step 5: Solve for x
    x = 79,658,971.91/6,279.19
  6. Step 6: Final answer
    x = 12,686.19

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.