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Finding the Third Proportional to 708 and 1,710

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Solution

The third proportional to 708 and 1,710 is: 4,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    708 : 1,710 = 1,710 : x
  2. Step 2: Convert to fraction form
    708/1,710 = 1,710/x
  3. Step 3: Cross multiply
    708x = 1,710 × 1,710
  4. Step 4: Simplify right side
    708x = 2,924,100
  5. Step 5: Solve for x
    x = 2,924,100/708
  6. Step 6: Final answer
    x = 4,130.08

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These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.