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Finding the Third Proportional to 355,248 and 763,200

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Solution

The third proportional to 355,248 and 763,200 is: 1,639,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,248 : 763,200 = 763,200 : x
  2. Step 2: Convert to fraction form
    355,248/763,200 = 763,200/x
  3. Step 3: Cross multiply
    355,248x = 763,200 × 763,200
  4. Step 4: Simplify right side
    355,248x = 582,474,240,000
  5. Step 5: Solve for x
    x = 582,474,240,000/355,248
  6. Step 6: Final answer
    x = 1,639,627.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.