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Finding the Third Proportional to 20,106 and 46,391

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Solution

The third proportional to 20,106 and 46,391 is: 107,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,106 : 46,391 = 46,391 : x
  2. Step 2: Convert to fraction form
    20,106/46,391 = 46,391/x
  3. Step 3: Cross multiply
    20,106x = 46,391 × 46,391
  4. Step 4: Simplify right side
    20,106x = 2,152,124,881
  5. Step 5: Solve for x
    x = 2,152,124,881/20,106
  6. Step 6: Final answer
    x = 107,038.94

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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.