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Finding the Third Proportional to 96,643.13 and 105,404.63

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Solution

The third proportional to 96,643.13 and 105,404.63 is: 114,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,643.13 : 105,404.63 = 105,404.63 : x
  2. Step 2: Convert to fraction form
    96,643.13/105,404.63 = 105,404.63/x
  3. Step 3: Cross multiply
    96,643.13x = 105,404.63 × 105,404.63
  4. Step 4: Simplify right side
    96,643.13x = 11,110,134,971.39
  5. Step 5: Solve for x
    x = 11,110,134,971.39/96,643.13
  6. Step 6: Final answer
    x = 114,960.43

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.