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Finding the Third Proportional to 79,345.13 and 122,936.06

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Solution

The third proportional to 79,345.13 and 122,936.06 is: 190,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.13 : 122,936.06 = 122,936.06 : x
  2. Step 2: Convert to fraction form
    79,345.13/122,936.06 = 122,936.06/x
  3. Step 3: Cross multiply
    79,345.13x = 122,936.06 × 122,936.06
  4. Step 4: Simplify right side
    79,345.13x = 15,113,275,463.00
  5. Step 5: Solve for x
    x = 15,113,275,463.00/79,345.13
  6. Step 6: Final answer
    x = 190,475.16

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Why These Related Problems?

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