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Finding the Third Proportional to 302,243 and 635,509

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Solution

The third proportional to 302,243 and 635,509 is: 1,336,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,243 : 635,509 = 635,509 : x
  2. Step 2: Convert to fraction form
    302,243/635,509 = 635,509/x
  3. Step 3: Cross multiply
    302,243x = 635,509 × 635,509
  4. Step 4: Simplify right side
    302,243x = 403,871,689,081
  5. Step 5: Solve for x
    x = 403,871,689,081/302,243
  6. Step 6: Final answer
    x = 1,336,248.28

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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.