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Finding the Third Proportional to 2,811.59 and 4,653.07

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Solution

The third proportional to 2,811.59 and 4,653.07 is: 7,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.59 : 4,653.07 = 4,653.07 : x
  2. Step 2: Convert to fraction form
    2,811.59/4,653.07 = 4,653.07/x
  3. Step 3: Cross multiply
    2,811.59x = 4,653.07 × 4,653.07
  4. Step 4: Simplify right side
    2,811.59x = 21,651,063.33
  5. Step 5: Solve for x
    x = 21,651,063.33/2,811.59
  6. Step 6: Final answer
    x = 7,700.66

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.