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Finding the Third Proportional to 252,090 and 538,074

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Solution

The third proportional to 252,090 and 538,074 is: 1,148,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,090 : 538,074 = 538,074 : x
  2. Step 2: Convert to fraction form
    252,090/538,074 = 538,074/x
  3. Step 3: Cross multiply
    252,090x = 538,074 × 538,074
  4. Step 4: Simplify right side
    252,090x = 289,523,629,476
  5. Step 5: Solve for x
    x = 289,523,629,476/252,090
  6. Step 6: Final answer
    x = 1,148,493.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.