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Finding the Third Proportional to 93,621 and 200,418

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Solution

The third proportional to 93,621 and 200,418 is: 429,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,621 : 200,418 = 200,418 : x
  2. Step 2: Convert to fraction form
    93,621/200,418 = 200,418/x
  3. Step 3: Cross multiply
    93,621x = 200,418 × 200,418
  4. Step 4: Simplify right side
    93,621x = 40,167,374,724
  5. Step 5: Solve for x
    x = 40,167,374,724/93,621
  6. Step 6: Final answer
    x = 429,042.36

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.