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Finding the Third Proportional to 193,185 and 416,988

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Solution

The third proportional to 193,185 and 416,988 is: 900,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,185 : 416,988 = 416,988 : x
  2. Step 2: Convert to fraction form
    193,185/416,988 = 416,988/x
  3. Step 3: Cross multiply
    193,185x = 416,988 × 416,988
  4. Step 4: Simplify right side
    193,185x = 173,878,992,144
  5. Step 5: Solve for x
    x = 173,878,992,144/193,185
  6. Step 6: Final answer
    x = 900,064.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.