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Finding the Third Proportional to 436.13 and 847.88

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Solution

The third proportional to 436.13 and 847.88 is: 1,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.13 : 847.88 = 847.88 : x
  2. Step 2: Convert to fraction form
    436.13/847.88 = 847.88/x
  3. Step 3: Cross multiply
    436.13x = 847.88 × 847.88
  4. Step 4: Simplify right side
    436.13x = 718,892.02
  5. Step 5: Solve for x
    x = 718,892.02/436.13
  6. Step 6: Final answer
    x = 1,648.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.