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Finding the Third Proportional to 302,935 and 637,208

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Solution

The third proportional to 302,935 and 637,208 is: 1,340,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,935 : 637,208 = 637,208 : x
  2. Step 2: Convert to fraction form
    302,935/637,208 = 637,208/x
  3. Step 3: Cross multiply
    302,935x = 637,208 × 637,208
  4. Step 4: Simplify right side
    302,935x = 406,034,035,264
  5. Step 5: Solve for x
    x = 406,034,035,264/302,935
  6. Step 6: Final answer
    x = 1,340,333.85

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.