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Finding the Third Proportional to 136,322 and 279,442

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Solution

The third proportional to 136,322 and 279,442 is: 572,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,322 : 279,442 = 279,442 : x
  2. Step 2: Convert to fraction form
    136,322/279,442 = 279,442/x
  3. Step 3: Cross multiply
    136,322x = 279,442 × 279,442
  4. Step 4: Simplify right side
    136,322x = 78,087,831,364
  5. Step 5: Solve for x
    x = 78,087,831,364/136,322
  6. Step 6: Final answer
    x = 572,819.00

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.