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Finding the Third Proportional to 76,345.03 and 102,799.13

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Solution

The third proportional to 76,345.03 and 102,799.13 is: 138,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,345.03 : 102,799.13 = 102,799.13 : x
  2. Step 2: Convert to fraction form
    76,345.03/102,799.13 = 102,799.13/x
  3. Step 3: Cross multiply
    76,345.03x = 102,799.13 × 102,799.13
  4. Step 4: Simplify right side
    76,345.03x = 10,567,660,100.77
  5. Step 5: Solve for x
    x = 10,567,660,100.77/76,345.03
  6. Step 6: Final answer
    x = 138,419.75

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.