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Finding the Third Proportional to 7,878 and 14,014.50

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Solution

The third proportional to 7,878 and 14,014.50 is: 24,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878 : 14,014.50 = 14,014.50 : x
  2. Step 2: Convert to fraction form
    7,878/14,014.50 = 14,014.50/x
  3. Step 3: Cross multiply
    7,878x = 14,014.50 × 14,014.50
  4. Step 4: Simplify right side
    7,878x = 196,406,210.25
  5. Step 5: Solve for x
    x = 196,406,210.25/7,878
  6. Step 6: Final answer
    x = 24,930.97

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.