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Finding the Third Proportional to 27,646.50 and 42,519

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Solution

The third proportional to 27,646.50 and 42,519 is: 65,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.50 : 42,519 = 42,519 : x
  2. Step 2: Convert to fraction form
    27,646.50/42,519 = 42,519/x
  3. Step 3: Cross multiply
    27,646.50x = 42,519 × 42,519
  4. Step 4: Simplify right side
    27,646.50x = 1,807,865,361
  5. Step 5: Solve for x
    x = 1,807,865,361/27,646.50
  6. Step 6: Final answer
    x = 65,392.20

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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.