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Finding the Third Proportional to 1,681 and 2,395.50

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Solution

The third proportional to 1,681 and 2,395.50 is: 3,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681 : 2,395.50 = 2,395.50 : x
  2. Step 2: Convert to fraction form
    1,681/2,395.50 = 2,395.50/x
  3. Step 3: Cross multiply
    1,681x = 2,395.50 × 2,395.50
  4. Step 4: Simplify right side
    1,681x = 5,738,420.25
  5. Step 5: Solve for x
    x = 5,738,420.25/1,681
  6. Step 6: Final answer
    x = 3,413.69

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.