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Finding the Third Proportional to 30,651 and 47,480

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Solution

The third proportional to 30,651 and 47,480 is: 73,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651 : 47,480 = 47,480 : x
  2. Step 2: Convert to fraction form
    30,651/47,480 = 47,480/x
  3. Step 3: Cross multiply
    30,651x = 47,480 × 47,480
  4. Step 4: Simplify right side
    30,651x = 2,254,350,400
  5. Step 5: Solve for x
    x = 2,254,350,400/30,651
  6. Step 6: Final answer
    x = 73,549.00

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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.