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Finding the Third Proportional to 267,628 and 581,480

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Solution

The third proportional to 267,628 and 581,480 is: 1,263,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,628 : 581,480 = 581,480 : x
  2. Step 2: Convert to fraction form
    267,628/581,480 = 581,480/x
  3. Step 3: Cross multiply
    267,628x = 581,480 × 581,480
  4. Step 4: Simplify right side
    267,628x = 338,118,990,400
  5. Step 5: Solve for x
    x = 338,118,990,400/267,628
  6. Step 6: Final answer
    x = 1,263,391.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.