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Finding the Third Proportional to 1,088 and 1,641

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Solution

The third proportional to 1,088 and 1,641 is: 2,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088 : 1,641 = 1,641 : x
  2. Step 2: Convert to fraction form
    1,088/1,641 = 1,641/x
  3. Step 3: Cross multiply
    1,088x = 1,641 × 1,641
  4. Step 4: Simplify right side
    1,088x = 2,692,881
  5. Step 5: Solve for x
    x = 2,692,881/1,088
  6. Step 6: Final answer
    x = 2,475.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.