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Finding the Third Proportional to 254,216 and 542,216

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Solution

The third proportional to 254,216 and 542,216 is: 1,156,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,216 : 542,216 = 542,216 : x
  2. Step 2: Convert to fraction form
    254,216/542,216 = 542,216/x
  3. Step 3: Cross multiply
    254,216x = 542,216 × 542,216
  4. Step 4: Simplify right side
    254,216x = 293,998,190,656
  5. Step 5: Solve for x
    x = 293,998,190,656/254,216
  6. Step 6: Final answer
    x = 1,156,489.72

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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.