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Finding the Third Proportional to 282,276 and 608,872

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Solution

The third proportional to 282,276 and 608,872 is: 1,313,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,276 : 608,872 = 608,872 : x
  2. Step 2: Convert to fraction form
    282,276/608,872 = 608,872/x
  3. Step 3: Cross multiply
    282,276x = 608,872 × 608,872
  4. Step 4: Simplify right side
    282,276x = 370,725,112,384
  5. Step 5: Solve for x
    x = 370,725,112,384/282,276
  6. Step 6: Final answer
    x = 1,313,342.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.