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Finding the Third Proportional to 708,940 and 1,529,192

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Solution

The third proportional to 708,940 and 1,529,192 is: 3,298,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,940 : 1,529,192 = 1,529,192 : x
  2. Step 2: Convert to fraction form
    708,940/1,529,192 = 1,529,192/x
  3. Step 3: Cross multiply
    708,940x = 1,529,192 × 1,529,192
  4. Step 4: Simplify right side
    708,940x = 2,338,428,172,864
  5. Step 5: Solve for x
    x = 2,338,428,172,864/708,940
  6. Step 6: Final answer
    x = 3,298,485.31

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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.