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Finding the Third Proportional to 135,011 and 295,438

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Solution

The third proportional to 135,011 and 295,438 is: 646,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,011 : 295,438 = 295,438 : x
  2. Step 2: Convert to fraction form
    135,011/295,438 = 295,438/x
  3. Step 3: Cross multiply
    135,011x = 295,438 × 295,438
  4. Step 4: Simplify right side
    135,011x = 87,283,611,844
  5. Step 5: Solve for x
    x = 87,283,611,844/135,011
  6. Step 6: Final answer
    x = 646,492.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.