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Finding the Third Proportional to 156,136 and 335,953

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Solution

The third proportional to 156,136 and 335,953 is: 722,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136 : 335,953 = 335,953 : x
  2. Step 2: Convert to fraction form
    156,136/335,953 = 335,953/x
  3. Step 3: Cross multiply
    156,136x = 335,953 × 335,953
  4. Step 4: Simplify right side
    156,136x = 112,864,418,209
  5. Step 5: Solve for x
    x = 112,864,418,209/156,136
  6. Step 6: Final answer
    x = 722,859.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.