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Finding the Third Proportional to 6,728.06 and 11,345.06

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Solution

The third proportional to 6,728.06 and 11,345.06 is: 19,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.06 : 11,345.06 = 11,345.06 : x
  2. Step 2: Convert to fraction form
    6,728.06/11,345.06 = 11,345.06/x
  3. Step 3: Cross multiply
    6,728.06x = 11,345.06 × 11,345.06
  4. Step 4: Simplify right side
    6,728.06x = 128,710,443.13
  5. Step 5: Solve for x
    x = 128,710,443.13/6,728.06
  6. Step 6: Final answer
    x = 19,130.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.