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Finding the Third Proportional to 20,968 and 45,254

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Solution

The third proportional to 20,968 and 45,254 is: 97,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968 : 45,254 = 45,254 : x
  2. Step 2: Convert to fraction form
    20,968/45,254 = 45,254/x
  3. Step 3: Cross multiply
    20,968x = 45,254 × 45,254
  4. Step 4: Simplify right side
    20,968x = 2,047,924,516
  5. Step 5: Solve for x
    x = 2,047,924,516/20,968
  6. Step 6: Final answer
    x = 97,669.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.