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Finding the Third Proportional to 783 and 1,095.75

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Solution

The third proportional to 783 and 1,095.75 is: 1,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    783 : 1,095.75 = 1,095.75 : x
  2. Step 2: Convert to fraction form
    783/1,095.75 = 1,095.75/x
  3. Step 3: Cross multiply
    783x = 1,095.75 × 1,095.75
  4. Step 4: Simplify right side
    783x = 1,200,668.06
  5. Step 5: Solve for x
    x = 1,200,668.06/783
  6. Step 6: Final answer
    x = 1,533.42

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.