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Finding the Third Proportional to 163,109 and 238,369

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Solution

The third proportional to 163,109 and 238,369 is: 348,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,109 : 238,369 = 238,369 : x
  2. Step 2: Convert to fraction form
    163,109/238,369 = 238,369/x
  3. Step 3: Cross multiply
    163,109x = 238,369 × 238,369
  4. Step 4: Simplify right side
    163,109x = 56,819,780,161
  5. Step 5: Solve for x
    x = 56,819,780,161/163,109
  6. Step 6: Final answer
    x = 348,354.66

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.