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Finding the Third Proportional to 433,152 and 666,642.75

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Solution

The third proportional to 433,152 and 666,642.75 is: 1,025,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,152 : 666,642.75 = 666,642.75 : x
  2. Step 2: Convert to fraction form
    433,152/666,642.75 = 666,642.75/x
  3. Step 3: Cross multiply
    433,152x = 666,642.75 × 666,642.75
  4. Step 4: Simplify right side
    433,152x = 444,412,556,127.56
  5. Step 5: Solve for x
    x = 444,412,556,127.56/433,152
  6. Step 6: Final answer
    x = 1,025,996.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.