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Finding the Third Proportional to 21,150 and 45,296

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Solution

The third proportional to 21,150 and 45,296 is: 97,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,150 : 45,296 = 45,296 : x
  2. Step 2: Convert to fraction form
    21,150/45,296 = 45,296/x
  3. Step 3: Cross multiply
    21,150x = 45,296 × 45,296
  4. Step 4: Simplify right side
    21,150x = 2,051,727,616
  5. Step 5: Solve for x
    x = 2,051,727,616/21,150
  6. Step 6: Final answer
    x = 97,008.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.