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Finding the Third Proportional to 254,244 and 558,276

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Solution

The third proportional to 254,244 and 558,276 is: 1,225,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,244 : 558,276 = 558,276 : x
  2. Step 2: Convert to fraction form
    254,244/558,276 = 558,276/x
  3. Step 3: Cross multiply
    254,244x = 558,276 × 558,276
  4. Step 4: Simplify right side
    254,244x = 311,672,092,176
  5. Step 5: Solve for x
    x = 311,672,092,176/254,244
  6. Step 6: Final answer
    x = 1,225,877.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.