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Finding the Third Proportional to 282,776 and 615,529

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Solution

The third proportional to 282,776 and 615,529 is: 1,339,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,776 : 615,529 = 615,529 : x
  2. Step 2: Convert to fraction form
    282,776/615,529 = 615,529/x
  3. Step 3: Cross multiply
    282,776x = 615,529 × 615,529
  4. Step 4: Simplify right side
    282,776x = 378,875,949,841
  5. Step 5: Solve for x
    x = 378,875,949,841/282,776
  6. Step 6: Final answer
    x = 1,339,844.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.