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Finding the Third Proportional to 30,490 and 36,052

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Solution

The third proportional to 30,490 and 36,052 is: 42,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490 : 36,052 = 36,052 : x
  2. Step 2: Convert to fraction form
    30,490/36,052 = 36,052/x
  3. Step 3: Cross multiply
    30,490x = 36,052 × 36,052
  4. Step 4: Simplify right side
    30,490x = 1,299,746,704
  5. Step 5: Solve for x
    x = 1,299,746,704/30,490
  6. Step 6: Final answer
    x = 42,628.62

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.