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Finding the Third Proportional to 21,574 and 32,559

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Solution

The third proportional to 21,574 and 32,559 is: 49,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574 : 32,559 = 32,559 : x
  2. Step 2: Convert to fraction form
    21,574/32,559 = 32,559/x
  3. Step 3: Cross multiply
    21,574x = 32,559 × 32,559
  4. Step 4: Simplify right side
    21,574x = 1,060,088,481
  5. Step 5: Solve for x
    x = 1,060,088,481/21,574
  6. Step 6: Final answer
    x = 49,137.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.