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Finding the Third Proportional to 48,420 and 71,037

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Solution

The third proportional to 48,420 and 71,037 is: 104,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420 : 71,037 = 71,037 : x
  2. Step 2: Convert to fraction form
    48,420/71,037 = 71,037/x
  3. Step 3: Cross multiply
    48,420x = 71,037 × 71,037
  4. Step 4: Simplify right side
    48,420x = 5,046,255,369
  5. Step 5: Solve for x
    x = 5,046,255,369/48,420
  6. Step 6: Final answer
    x = 104,218.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.