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Finding the Third Proportional to 279,908 and 604,020

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Solution

The third proportional to 279,908 and 604,020 is: 1,303,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,908 : 604,020 = 604,020 : x
  2. Step 2: Convert to fraction form
    279,908/604,020 = 604,020/x
  3. Step 3: Cross multiply
    279,908x = 604,020 × 604,020
  4. Step 4: Simplify right side
    279,908x = 364,840,160,400
  5. Step 5: Solve for x
    x = 364,840,160,400/279,908
  6. Step 6: Final answer
    x = 1,303,428.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.