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Finding the Third Proportional to 264,384 and 410,400

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Solution

The third proportional to 264,384 and 410,400 is: 637,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,384 : 410,400 = 410,400 : x
  2. Step 2: Convert to fraction form
    264,384/410,400 = 410,400/x
  3. Step 3: Cross multiply
    264,384x = 410,400 × 410,400
  4. Step 4: Simplify right side
    264,384x = 168,428,160,000
  5. Step 5: Solve for x
    x = 168,428,160,000/264,384
  6. Step 6: Final answer
    x = 637,058.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.