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Finding the Third Proportional to 51,807.25 and 77,903.19

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Solution

The third proportional to 51,807.25 and 77,903.19 is: 117,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,807.25 : 77,903.19 = 77,903.19 : x
  2. Step 2: Convert to fraction form
    51,807.25/77,903.19 = 77,903.19/x
  3. Step 3: Cross multiply
    51,807.25x = 77,903.19 × 77,903.19
  4. Step 4: Simplify right side
    51,807.25x = 6,068,906,622.66
  5. Step 5: Solve for x
    x = 6,068,906,622.66/51,807.25
  6. Step 6: Final answer
    x = 117,143.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.