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Finding the Third Proportional to 358,966 and 783,132

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Solution

The third proportional to 358,966 and 783,132 is: 1,708,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,966 : 783,132 = 783,132 : x
  2. Step 2: Convert to fraction form
    358,966/783,132 = 783,132/x
  3. Step 3: Cross multiply
    358,966x = 783,132 × 783,132
  4. Step 4: Simplify right side
    358,966x = 613,295,729,424
  5. Step 5: Solve for x
    x = 613,295,729,424/358,966
  6. Step 6: Final answer
    x = 1,708,506.46

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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.