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Finding the Third Proportional to 368,496 and 558,252

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Solution

The third proportional to 368,496 and 558,252 is: 845,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,496 : 558,252 = 558,252 : x
  2. Step 2: Convert to fraction form
    368,496/558,252 = 558,252/x
  3. Step 3: Cross multiply
    368,496x = 558,252 × 558,252
  4. Step 4: Simplify right side
    368,496x = 311,645,295,504
  5. Step 5: Solve for x
    x = 311,645,295,504/368,496
  6. Step 6: Final answer
    x = 845,722.33

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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.