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Finding the Third Proportional to 3,655 and 5,669.75

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Solution

The third proportional to 3,655 and 5,669.75 is: 8,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655 : 5,669.75 = 5,669.75 : x
  2. Step 2: Convert to fraction form
    3,655/5,669.75 = 5,669.75/x
  3. Step 3: Cross multiply
    3,655x = 5,669.75 × 5,669.75
  4. Step 4: Simplify right side
    3,655x = 32,146,065.06
  5. Step 5: Solve for x
    x = 32,146,065.06/3,655
  6. Step 6: Final answer
    x = 8,795.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.