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Finding the Third Proportional to 116,521.50 and 255,276

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Solution

The third proportional to 116,521.50 and 255,276 is: 559,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,521.50 : 255,276 = 255,276 : x
  2. Step 2: Convert to fraction form
    116,521.50/255,276 = 255,276/x
  3. Step 3: Cross multiply
    116,521.50x = 255,276 × 255,276
  4. Step 4: Simplify right side
    116,521.50x = 65,165,836,176
  5. Step 5: Solve for x
    x = 65,165,836,176/116,521.50
  6. Step 6: Final answer
    x = 559,260.19

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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.