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Finding the Third Proportional to 1,717.45 and 3,657.02

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Solution

The third proportional to 1,717.45 and 3,657.02 is: 7,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.45 : 3,657.02 = 3,657.02 : x
  2. Step 2: Convert to fraction form
    1,717.45/3,657.02 = 3,657.02/x
  3. Step 3: Cross multiply
    1,717.45x = 3,657.02 × 3,657.02
  4. Step 4: Simplify right side
    1,717.45x = 13,373,820.42
  5. Step 5: Solve for x
    x = 13,373,820.42/1,717.45
  6. Step 6: Final answer
    x = 7,787.01

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.