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Finding the Third Proportional to 21,547 and 44,939

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Solution

The third proportional to 21,547 and 44,939 is: 93,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547 : 44,939 = 44,939 : x
  2. Step 2: Convert to fraction form
    21,547/44,939 = 44,939/x
  3. Step 3: Cross multiply
    21,547x = 44,939 × 44,939
  4. Step 4: Simplify right side
    21,547x = 2,019,513,721
  5. Step 5: Solve for x
    x = 2,019,513,721/21,547
  6. Step 6: Final answer
    x = 93,725.98

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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.