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Finding the Third Proportional to 211,170.38 and 459,519.75

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Solution

The third proportional to 211,170.38 and 459,519.75 is: 999,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,170.38 : 459,519.75 = 459,519.75 : x
  2. Step 2: Convert to fraction form
    211,170.38/459,519.75 = 459,519.75/x
  3. Step 3: Cross multiply
    211,170.38x = 459,519.75 × 459,519.75
  4. Step 4: Simplify right side
    211,170.38x = 211,158,400,640.06
  5. Step 5: Solve for x
    x = 211,158,400,640.06/211,170.38
  6. Step 6: Final answer
    x = 999,943.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.