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Finding the Third Proportional to 30,747 and 48,696

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Solution

The third proportional to 30,747 and 48,696 is: 77,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747 : 48,696 = 48,696 : x
  2. Step 2: Convert to fraction form
    30,747/48,696 = 48,696/x
  3. Step 3: Cross multiply
    30,747x = 48,696 × 48,696
  4. Step 4: Simplify right side
    30,747x = 2,371,300,416
  5. Step 5: Solve for x
    x = 2,371,300,416/30,747
  6. Step 6: Final answer
    x = 77,122.98

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.