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Finding the Third Proportional to 21,472.88 and 30,927.75

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Solution

The third proportional to 21,472.88 and 30,927.75 is: 44,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.88 : 30,927.75 = 30,927.75 : x
  2. Step 2: Convert to fraction form
    21,472.88/30,927.75 = 30,927.75/x
  3. Step 3: Cross multiply
    21,472.88x = 30,927.75 × 30,927.75
  4. Step 4: Simplify right side
    21,472.88x = 956,525,720.06
  5. Step 5: Solve for x
    x = 956,525,720.06/21,472.88
  6. Step 6: Final answer
    x = 44,545.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.