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Finding the Third Proportional to 30,747 and 47,484

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Solution

The third proportional to 30,747 and 47,484 is: 73,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747 : 47,484 = 47,484 : x
  2. Step 2: Convert to fraction form
    30,747/47,484 = 47,484/x
  3. Step 3: Cross multiply
    30,747x = 47,484 × 47,484
  4. Step 4: Simplify right side
    30,747x = 2,254,730,256
  5. Step 5: Solve for x
    x = 2,254,730,256/30,747
  6. Step 6: Final answer
    x = 73,331.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.