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Finding the Third Proportional to 134,478 and 292,611

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Solution

The third proportional to 134,478 and 292,611 is: 636,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,478 : 292,611 = 292,611 : x
  2. Step 2: Convert to fraction form
    134,478/292,611 = 292,611/x
  3. Step 3: Cross multiply
    134,478x = 292,611 × 292,611
  4. Step 4: Simplify right side
    134,478x = 85,621,197,321
  5. Step 5: Solve for x
    x = 85,621,197,321/134,478
  6. Step 6: Final answer
    x = 636,692.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.