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Finding the Third Proportional to 335,084.50 and 679,889

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Solution

The third proportional to 335,084.50 and 679,889 is: 1,379,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,084.50 : 679,889 = 679,889 : x
  2. Step 2: Convert to fraction form
    335,084.50/679,889 = 679,889/x
  3. Step 3: Cross multiply
    335,084.50x = 679,889 × 679,889
  4. Step 4: Simplify right side
    335,084.50x = 462,249,052,321
  5. Step 5: Solve for x
    x = 462,249,052,321/335,084.50
  6. Step 6: Final answer
    x = 1,379,499.95

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.