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Finding the Third Proportional to 138,184.88 and 292,977.56

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Solution

The third proportional to 138,184.88 and 292,977.56 is: 621,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,184.88 : 292,977.56 = 292,977.56 : x
  2. Step 2: Convert to fraction form
    138,184.88/292,977.56 = 292,977.56/x
  3. Step 3: Cross multiply
    138,184.88x = 292,977.56 × 292,977.56
  4. Step 4: Simplify right side
    138,184.88x = 85,835,852,128.44
  5. Step 5: Solve for x
    x = 85,835,852,128.44/138,184.88
  6. Step 6: Final answer
    x = 621,166.77

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.