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Finding the Third Proportional to 68,165.50 and 145,807.75

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Solution

The third proportional to 68,165.50 and 145,807.75 is: 311,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,165.50 : 145,807.75 = 145,807.75 : x
  2. Step 2: Convert to fraction form
    68,165.50/145,807.75 = 145,807.75/x
  3. Step 3: Cross multiply
    68,165.50x = 145,807.75 × 145,807.75
  4. Step 4: Simplify right side
    68,165.50x = 21,259,899,960.06
  5. Step 5: Solve for x
    x = 21,259,899,960.06/68,165.50
  6. Step 6: Final answer
    x = 311,886.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.