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Finding the Third Proportional to 79,345.50 and 122,960.25

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Solution

The third proportional to 79,345.50 and 122,960.25 is: 190,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.50 : 122,960.25 = 122,960.25 : x
  2. Step 2: Convert to fraction form
    79,345.50/122,960.25 = 122,960.25/x
  3. Step 3: Cross multiply
    79,345.50x = 122,960.25 × 122,960.25
  4. Step 4: Simplify right side
    79,345.50x = 15,119,223,080.06
  5. Step 5: Solve for x
    x = 15,119,223,080.06/79,345.50
  6. Step 6: Final answer
    x = 190,549.22

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.