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Finding the Third Proportional to 151,029 and 211,666

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Solution

The third proportional to 151,029 and 211,666 is: 296,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,029 : 211,666 = 211,666 : x
  2. Step 2: Convert to fraction form
    151,029/211,666 = 211,666/x
  3. Step 3: Cross multiply
    151,029x = 211,666 × 211,666
  4. Step 4: Simplify right side
    151,029x = 44,802,495,556
  5. Step 5: Solve for x
    x = 44,802,495,556/151,029
  6. Step 6: Final answer
    x = 296,648.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.