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Finding the Third Proportional to 618,799.50 and 1,276,144.88

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Solution

The third proportional to 618,799.50 and 1,276,144.88 is: 2,631,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,799.50 : 1,276,144.88 = 1,276,144.88 : x
  2. Step 2: Convert to fraction form
    618,799.50/1,276,144.88 = 1,276,144.88/x
  3. Step 3: Cross multiply
    618,799.50x = 1,276,144.88 × 1,276,144.88
  4. Step 4: Simplify right side
    618,799.50x = 1,628,545,741,988.77
  5. Step 5: Solve for x
    x = 1,628,545,741,988.77/618,799.50
  6. Step 6: Final answer
    x = 2,631,782.58

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.