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Finding the Third Proportional to 555,303 and 839,790

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Solution

The third proportional to 555,303 and 839,790 is: 1,270,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,303 : 839,790 = 839,790 : x
  2. Step 2: Convert to fraction form
    555,303/839,790 = 839,790/x
  3. Step 3: Cross multiply
    555,303x = 839,790 × 839,790
  4. Step 4: Simplify right side
    555,303x = 705,247,244,100
  5. Step 5: Solve for x
    x = 705,247,244,100/555,303
  6. Step 6: Final answer
    x = 1,270,022.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.