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Finding the Third Proportional to 29,351.25 and 64,077.75

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Solution

The third proportional to 29,351.25 and 64,077.75 is: 139,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351.25 : 64,077.75 = 64,077.75 : x
  2. Step 2: Convert to fraction form
    29,351.25/64,077.75 = 64,077.75/x
  3. Step 3: Cross multiply
    29,351.25x = 64,077.75 × 64,077.75
  4. Step 4: Simplify right side
    29,351.25x = 4,105,958,045.06
  5. Step 5: Solve for x
    x = 4,105,958,045.06/29,351.25
  6. Step 6: Final answer
    x = 139,890.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.