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Finding the Third Proportional to 163,174 and 252,148

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Solution

The third proportional to 163,174 and 252,148 is: 389,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,174 : 252,148 = 252,148 : x
  2. Step 2: Convert to fraction form
    163,174/252,148 = 252,148/x
  3. Step 3: Cross multiply
    163,174x = 252,148 × 252,148
  4. Step 4: Simplify right side
    163,174x = 63,578,613,904
  5. Step 5: Solve for x
    x = 63,578,613,904/163,174
  6. Step 6: Final answer
    x = 389,636.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.