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Finding the Third Proportional to 7,406.50 and 17,707

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Solution

The third proportional to 7,406.50 and 17,707 is: 42,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.50 : 17,707 = 17,707 : x
  2. Step 2: Convert to fraction form
    7,406.50/17,707 = 17,707/x
  3. Step 3: Cross multiply
    7,406.50x = 17,707 × 17,707
  4. Step 4: Simplify right side
    7,406.50x = 313,537,849
  5. Step 5: Solve for x
    x = 313,537,849/7,406.50
  6. Step 6: Final answer
    x = 42,332.80

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.