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Finding the Third Proportional to 30,280 and 44,446

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Solution

The third proportional to 30,280 and 44,446 is: 65,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280 : 44,446 = 44,446 : x
  2. Step 2: Convert to fraction form
    30,280/44,446 = 44,446/x
  3. Step 3: Cross multiply
    30,280x = 44,446 × 44,446
  4. Step 4: Simplify right side
    30,280x = 1,975,446,916
  5. Step 5: Solve for x
    x = 1,975,446,916/30,280
  6. Step 6: Final answer
    x = 65,239.33

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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.