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Finding the Third Proportional to 302,937 and 637,211

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Solution

The third proportional to 302,937 and 637,211 is: 1,340,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,937 : 637,211 = 637,211 : x
  2. Step 2: Convert to fraction form
    302,937/637,211 = 637,211/x
  3. Step 3: Cross multiply
    302,937x = 637,211 × 637,211
  4. Step 4: Simplify right side
    302,937x = 406,037,858,521
  5. Step 5: Solve for x
    x = 406,037,858,521/302,937
  6. Step 6: Final answer
    x = 1,340,337.62

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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.