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Finding the Third Proportional to 679,287.94 and 1,439,563.50

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Solution

The third proportional to 679,287.94 and 1,439,563.50 is: 3,050,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,287.94 : 1,439,563.50 = 1,439,563.50 : x
  2. Step 2: Convert to fraction form
    679,287.94/1,439,563.50 = 1,439,563.50/x
  3. Step 3: Cross multiply
    679,287.94x = 1,439,563.50 × 1,439,563.50
  4. Step 4: Simplify right side
    679,287.94x = 2,072,343,070,532.25
  5. Step 5: Solve for x
    x = 2,072,343,070,532.25/679,287.94
  6. Step 6: Final answer
    x = 3,050,757.94

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.