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Finding the Third Proportional to 283,128 and 618,762

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Solution

The third proportional to 283,128 and 618,762 is: 1,352,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,128 : 618,762 = 618,762 : x
  2. Step 2: Convert to fraction form
    283,128/618,762 = 618,762/x
  3. Step 3: Cross multiply
    283,128x = 618,762 × 618,762
  4. Step 4: Simplify right side
    283,128x = 382,866,412,644
  5. Step 5: Solve for x
    x = 382,866,412,644/283,128
  6. Step 6: Final answer
    x = 1,352,273.22

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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.