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Finding the Third Proportional to 21,402 and 46,998

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Solution

The third proportional to 21,402 and 46,998 is: 103,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402 : 46,998 = 46,998 : x
  2. Step 2: Convert to fraction form
    21,402/46,998 = 46,998/x
  3. Step 3: Cross multiply
    21,402x = 46,998 × 46,998
  4. Step 4: Simplify right side
    21,402x = 2,208,812,004
  5. Step 5: Solve for x
    x = 2,208,812,004/21,402
  6. Step 6: Final answer
    x = 103,205.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.