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Finding the Third Proportional to 21,543 and 44,931

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Solution

The third proportional to 21,543 and 44,931 is: 93,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543 : 44,931 = 44,931 : x
  2. Step 2: Convert to fraction form
    21,543/44,931 = 44,931/x
  3. Step 3: Cross multiply
    21,543x = 44,931 × 44,931
  4. Step 4: Simplify right side
    21,543x = 2,018,794,761
  5. Step 5: Solve for x
    x = 2,018,794,761/21,543
  6. Step 6: Final answer
    x = 93,710.01

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.