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Finding the Third Proportional to 7,830 and 10,737

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Solution

The third proportional to 7,830 and 10,737 is: 14,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830 : 10,737 = 10,737 : x
  2. Step 2: Convert to fraction form
    7,830/10,737 = 10,737/x
  3. Step 3: Cross multiply
    7,830x = 10,737 × 10,737
  4. Step 4: Simplify right side
    7,830x = 115,283,169
  5. Step 5: Solve for x
    x = 115,283,169/7,830
  6. Step 6: Final answer
    x = 14,723.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.