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Finding the Third Proportional to 611,633 and 1,279,035

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Solution

The third proportional to 611,633 and 1,279,035 is: 2,674,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,633 : 1,279,035 = 1,279,035 : x
  2. Step 2: Convert to fraction form
    611,633/1,279,035 = 1,279,035/x
  3. Step 3: Cross multiply
    611,633x = 1,279,035 × 1,279,035
  4. Step 4: Simplify right side
    611,633x = 1,635,930,531,225
  5. Step 5: Solve for x
    x = 1,635,930,531,225/611,633
  6. Step 6: Final answer
    x = 2,674,693.05

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.