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Finding the Third Proportional to 279,492 and 603,258

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Solution

The third proportional to 279,492 and 603,258 is: 1,302,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,492 : 603,258 = 603,258 : x
  2. Step 2: Convert to fraction form
    279,492/603,258 = 603,258/x
  3. Step 3: Cross multiply
    279,492x = 603,258 × 603,258
  4. Step 4: Simplify right side
    279,492x = 363,920,214,564
  5. Step 5: Solve for x
    x = 363,920,214,564/279,492
  6. Step 6: Final answer
    x = 1,302,077.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.