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Finding the Third Proportional to 116,478 and 254,765

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Solution

The third proportional to 116,478 and 254,765 is: 557,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,478 : 254,765 = 254,765 : x
  2. Step 2: Convert to fraction form
    116,478/254,765 = 254,765/x
  3. Step 3: Cross multiply
    116,478x = 254,765 × 254,765
  4. Step 4: Simplify right side
    116,478x = 64,905,205,225
  5. Step 5: Solve for x
    x = 64,905,205,225/116,478
  6. Step 6: Final answer
    x = 557,231.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.