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Finding the Third Proportional to 40,913 and 55,537

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Solution

The third proportional to 40,913 and 55,537 is: 75,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913 : 55,537 = 55,537 : x
  2. Step 2: Convert to fraction form
    40,913/55,537 = 55,537/x
  3. Step 3: Cross multiply
    40,913x = 55,537 × 55,537
  4. Step 4: Simplify right side
    40,913x = 3,084,358,369
  5. Step 5: Solve for x
    x = 3,084,358,369/40,913
  6. Step 6: Final answer
    x = 75,388.22

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.