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Finding the Third Proportional to 69,476.06 and 141,407.44

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Solution

The third proportional to 69,476.06 and 141,407.44 is: 287,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.06 : 141,407.44 = 141,407.44 : x
  2. Step 2: Convert to fraction form
    69,476.06/141,407.44 = 141,407.44/x
  3. Step 3: Cross multiply
    69,476.06x = 141,407.44 × 141,407.44
  4. Step 4: Simplify right side
    69,476.06x = 19,996,063,380.32
  5. Step 5: Solve for x
    x = 19,996,063,380.32/69,476.06
  6. Step 6: Final answer
    x = 287,812.27

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.