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Finding the Third Proportional to 31,344 and 47,020

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Solution

The third proportional to 31,344 and 47,020 is: 70,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344 : 47,020 = 47,020 : x
  2. Step 2: Convert to fraction form
    31,344/47,020 = 47,020/x
  3. Step 3: Cross multiply
    31,344x = 47,020 × 47,020
  4. Step 4: Simplify right side
    31,344x = 2,210,880,400
  5. Step 5: Solve for x
    x = 2,210,880,400/31,344
  6. Step 6: Final answer
    x = 70,536.00

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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.