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Finding the Third Proportional to 133,012 and 291,868

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Solution

The third proportional to 133,012 and 291,868 is: 640,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,012 : 291,868 = 291,868 : x
  2. Step 2: Convert to fraction form
    133,012/291,868 = 291,868/x
  3. Step 3: Cross multiply
    133,012x = 291,868 × 291,868
  4. Step 4: Simplify right side
    133,012x = 85,186,929,424
  5. Step 5: Solve for x
    x = 85,186,929,424/133,012
  6. Step 6: Final answer
    x = 640,445.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.