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Finding the Third Proportional to 7,059.66 and 10,878.05

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Solution

The third proportional to 7,059.66 and 10,878.05 is: 16,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.66 : 10,878.05 = 10,878.05 : x
  2. Step 2: Convert to fraction form
    7,059.66/10,878.05 = 10,878.05/x
  3. Step 3: Cross multiply
    7,059.66x = 10,878.05 × 10,878.05
  4. Step 4: Simplify right side
    7,059.66x = 118,331,903.81
  5. Step 5: Solve for x
    x = 118,331,903.81/7,059.66
  6. Step 6: Final answer
    x = 16,761.71

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.