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Finding the Third Proportional to 15,254 and 33,090

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Solution

The third proportional to 15,254 and 33,090 is: 71,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254 : 33,090 = 33,090 : x
  2. Step 2: Convert to fraction form
    15,254/33,090 = 33,090/x
  3. Step 3: Cross multiply
    15,254x = 33,090 × 33,090
  4. Step 4: Simplify right side
    15,254x = 1,094,948,100
  5. Step 5: Solve for x
    x = 1,094,948,100/15,254
  6. Step 6: Final answer
    x = 71,781.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.