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Finding the Third Proportional to 143,440,168 and 215,302,156

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Solution

The third proportional to 143,440,168 and 215,302,156 is: 323,166,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,440,168 : 215,302,156 = 215,302,156 : x
  2. Step 2: Convert to fraction form
    143,440,168/215,302,156 = 215,302,156/x
  3. Step 3: Cross multiply
    143,440,168x = 215,302,156 × 215,302,156
  4. Step 4: Simplify right side
    143,440,168x = 46,355,018,378,248,336
  5. Step 5: Solve for x
    x = 46,355,018,378,248,336/143,440,168
  6. Step 6: Final answer
    x = 323,166,230.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.