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Finding the Third Proportional to 280,056 and 614,544

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Solution

The third proportional to 280,056 and 614,544 is: 1,348,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,056 : 614,544 = 614,544 : x
  2. Step 2: Convert to fraction form
    280,056/614,544 = 614,544/x
  3. Step 3: Cross multiply
    280,056x = 614,544 × 614,544
  4. Step 4: Simplify right side
    280,056x = 377,664,327,936
  5. Step 5: Solve for x
    x = 377,664,327,936/280,056
  6. Step 6: Final answer
    x = 1,348,531.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.