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Finding the Third Proportional to 74,043 and 105,525.75

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Solution

The third proportional to 74,043 and 105,525.75 is: 150,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,043 : 105,525.75 = 105,525.75 : x
  2. Step 2: Convert to fraction form
    74,043/105,525.75 = 105,525.75/x
  3. Step 3: Cross multiply
    74,043x = 105,525.75 × 105,525.75
  4. Step 4: Simplify right side
    74,043x = 11,135,683,913.06
  5. Step 5: Solve for x
    x = 11,135,683,913.06/74,043
  6. Step 6: Final answer
    x = 150,394.82

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.