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Finding the Third Proportional to 30,612 and 47,303

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Solution

The third proportional to 30,612 and 47,303 is: 73,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612 : 47,303 = 47,303 : x
  2. Step 2: Convert to fraction form
    30,612/47,303 = 47,303/x
  3. Step 3: Cross multiply
    30,612x = 47,303 × 47,303
  4. Step 4: Simplify right side
    30,612x = 2,237,573,809
  5. Step 5: Solve for x
    x = 2,237,573,809/30,612
  6. Step 6: Final answer
    x = 73,094.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.