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Finding the Third Proportional to 6,130.69 and 7,021.69

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Solution

The third proportional to 6,130.69 and 7,021.69 is: 8,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.69 : 7,021.69 = 7,021.69 : x
  2. Step 2: Convert to fraction form
    6,130.69/7,021.69 = 7,021.69/x
  3. Step 3: Cross multiply
    6,130.69x = 7,021.69 × 7,021.69
  4. Step 4: Simplify right side
    6,130.69x = 49,304,095.35
  5. Step 5: Solve for x
    x = 49,304,095.35/6,130.69
  6. Step 6: Final answer
    x = 8,042.18

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.