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Finding the Third Proportional to 147,862 and 209,221

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Solution

The third proportional to 147,862 and 209,221 is: 296,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,862 : 209,221 = 209,221 : x
  2. Step 2: Convert to fraction form
    147,862/209,221 = 209,221/x
  3. Step 3: Cross multiply
    147,862x = 209,221 × 209,221
  4. Step 4: Simplify right side
    147,862x = 43,773,426,841
  5. Step 5: Solve for x
    x = 43,773,426,841/147,862
  6. Step 6: Final answer
    x = 296,042.44

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.