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Finding the Third Proportional to 784.13 and 852.75

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Solution

The third proportional to 784.13 and 852.75 is: 927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784.13 : 852.75 = 852.75 : x
  2. Step 2: Convert to fraction form
    784.13/852.75 = 852.75/x
  3. Step 3: Cross multiply
    784.13x = 852.75 × 852.75
  4. Step 4: Simplify right side
    784.13x = 727,182.56
  5. Step 5: Solve for x
    x = 727,182.56/784.13
  6. Step 6: Final answer
    x = 927.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.