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Finding the Third Proportional to 109,485 and 235,856

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Solution

The third proportional to 109,485 and 235,856 is: 508,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,485 : 235,856 = 235,856 : x
  2. Step 2: Convert to fraction form
    109,485/235,856 = 235,856/x
  3. Step 3: Cross multiply
    109,485x = 235,856 × 235,856
  4. Step 4: Simplify right side
    109,485x = 55,628,052,736
  5. Step 5: Solve for x
    x = 55,628,052,736/109,485
  6. Step 6: Final answer
    x = 508,088.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.