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Finding the Third Proportional to 51,807.88 and 77,904.13

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Solution

The third proportional to 51,807.88 and 77,904.13 is: 117,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,807.88 : 77,904.13 = 77,904.13 : x
  2. Step 2: Convert to fraction form
    51,807.88/77,904.13 = 77,904.13/x
  3. Step 3: Cross multiply
    51,807.88x = 77,904.13 × 77,904.13
  4. Step 4: Simplify right side
    51,807.88x = 6,069,052,692.02
  5. Step 5: Solve for x
    x = 6,069,052,692.02/51,807.88
  6. Step 6: Final answer
    x = 117,145.37

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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.