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Finding the Third Proportional to 211,091.06 and 430,778.25

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Solution

The third proportional to 211,091.06 and 430,778.25 is: 879,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,091.06 : 430,778.25 = 430,778.25 : x
  2. Step 2: Convert to fraction form
    211,091.06/430,778.25 = 430,778.25/x
  3. Step 3: Cross multiply
    211,091.06x = 430,778.25 × 430,778.25
  4. Step 4: Simplify right side
    211,091.06x = 185,569,900,673.06
  5. Step 5: Solve for x
    x = 185,569,900,673.06/211,091.06
  6. Step 6: Final answer
    x = 879,098.80

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.