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Finding the Third Proportional to 67,582 and 156,435

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Solution

The third proportional to 67,582 and 156,435 is: 362,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,582 : 156,435 = 156,435 : x
  2. Step 2: Convert to fraction form
    67,582/156,435 = 156,435/x
  3. Step 3: Cross multiply
    67,582x = 156,435 × 156,435
  4. Step 4: Simplify right side
    67,582x = 24,471,909,225
  5. Step 5: Solve for x
    x = 24,471,909,225/67,582
  6. Step 6: Final answer
    x = 362,106.91

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.