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Finding the Third Proportional to 30,446 and 45,545

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Solution

The third proportional to 30,446 and 45,545 is: 68,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446 : 45,545 = 45,545 : x
  2. Step 2: Convert to fraction form
    30,446/45,545 = 45,545/x
  3. Step 3: Cross multiply
    30,446x = 45,545 × 45,545
  4. Step 4: Simplify right side
    30,446x = 2,074,347,025
  5. Step 5: Solve for x
    x = 2,074,347,025/30,446
  6. Step 6: Final answer
    x = 68,132.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.