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Finding the Third Proportional to 784.37 and 1,046.36

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Solution

The third proportional to 784.37 and 1,046.36 is: 1,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    784.37 : 1,046.36 = 1,046.36 : x
  2. Step 2: Convert to fraction form
    784.37/1,046.36 = 1,046.36/x
  3. Step 3: Cross multiply
    784.37x = 1,046.36 × 1,046.36
  4. Step 4: Simplify right side
    784.37x = 1,094,859.77
  5. Step 5: Solve for x
    x = 1,094,859.77/784.37
  6. Step 6: Final answer
    x = 1,395.84

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.