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Finding the Third Proportional to 2,678.63 and 6,259.50

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Solution

The third proportional to 2,678.63 and 6,259.50 is: 14,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.63 : 6,259.50 = 6,259.50 : x
  2. Step 2: Convert to fraction form
    2,678.63/6,259.50 = 6,259.50/x
  3. Step 3: Cross multiply
    2,678.63x = 6,259.50 × 6,259.50
  4. Step 4: Simplify right side
    2,678.63x = 39,181,340.25
  5. Step 5: Solve for x
    x = 39,181,340.25/2,678.63
  6. Step 6: Final answer
    x = 14,627.41

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.