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Finding the Third Proportional to 3,604 and 7,810

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Solution

The third proportional to 3,604 and 7,810 is: 16,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604 : 7,810 = 7,810 : x
  2. Step 2: Convert to fraction form
    3,604/7,810 = 7,810/x
  3. Step 3: Cross multiply
    3,604x = 7,810 × 7,810
  4. Step 4: Simplify right side
    3,604x = 60,996,100
  5. Step 5: Solve for x
    x = 60,996,100/3,604
  6. Step 6: Final answer
    x = 16,924.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.