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Finding the Third Proportional to 30,248 and 63,628

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Solution

The third proportional to 30,248 and 63,628 is: 133,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248 : 63,628 = 63,628 : x
  2. Step 2: Convert to fraction form
    30,248/63,628 = 63,628/x
  3. Step 3: Cross multiply
    30,248x = 63,628 × 63,628
  4. Step 4: Simplify right side
    30,248x = 4,048,522,384
  5. Step 5: Solve for x
    x = 4,048,522,384/30,248
  6. Step 6: Final answer
    x = 133,844.30

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.