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Finding the Third Proportional to 20,913 and 46,038

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Solution

The third proportional to 20,913 and 46,038 is: 101,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,913 : 46,038 = 46,038 : x
  2. Step 2: Convert to fraction form
    20,913/46,038 = 46,038/x
  3. Step 3: Cross multiply
    20,913x = 46,038 × 46,038
  4. Step 4: Simplify right side
    20,913x = 2,119,497,444
  5. Step 5: Solve for x
    x = 2,119,497,444/20,913
  6. Step 6: Final answer
    x = 101,348.32

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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.