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Finding the Third Proportional to 46,938 and 69,156

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Solution

The third proportional to 46,938 and 69,156 is: 101,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,938 : 69,156 = 69,156 : x
  2. Step 2: Convert to fraction form
    46,938/69,156 = 69,156/x
  3. Step 3: Cross multiply
    46,938x = 69,156 × 69,156
  4. Step 4: Simplify right side
    46,938x = 4,782,552,336
  5. Step 5: Solve for x
    x = 4,782,552,336/46,938
  6. Step 6: Final answer
    x = 101,890.84

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.