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Finding the Third Proportional to 74,896 and 163,858

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Solution

The third proportional to 74,896 and 163,858 is: 358,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896 : 163,858 = 163,858 : x
  2. Step 2: Convert to fraction form
    74,896/163,858 = 163,858/x
  3. Step 3: Cross multiply
    74,896x = 163,858 × 163,858
  4. Step 4: Simplify right side
    74,896x = 26,849,444,164
  5. Step 5: Solve for x
    x = 26,849,444,164/74,896
  6. Step 6: Final answer
    x = 358,489.69

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.