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Finding the Third Proportional to 322,435.50 and 692,437.50

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Solution

The third proportional to 322,435.50 and 692,437.50 is: 1,487,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,435.50 : 692,437.50 = 692,437.50 : x
  2. Step 2: Convert to fraction form
    322,435.50/692,437.50 = 692,437.50/x
  3. Step 3: Cross multiply
    322,435.50x = 692,437.50 × 692,437.50
  4. Step 4: Simplify right side
    322,435.50x = 479,469,691,406.25
  5. Step 5: Solve for x
    x = 479,469,691,406.25/322,435.50
  6. Step 6: Final answer
    x = 1,487,025.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.