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Finding the Third Proportional to 21,822 and 46,560

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Solution

The third proportional to 21,822 and 46,560 is: 99,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,822 : 46,560 = 46,560 : x
  2. Step 2: Convert to fraction form
    21,822/46,560 = 46,560/x
  3. Step 3: Cross multiply
    21,822x = 46,560 × 46,560
  4. Step 4: Simplify right side
    21,822x = 2,167,833,600
  5. Step 5: Solve for x
    x = 2,167,833,600/21,822
  6. Step 6: Final answer
    x = 99,341.66

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.