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Finding the Third Proportional to 25,048 and 39,664

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Solution

The third proportional to 25,048 and 39,664 is: 62,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,048 : 39,664 = 39,664 : x
  2. Step 2: Convert to fraction form
    25,048/39,664 = 39,664/x
  3. Step 3: Cross multiply
    25,048x = 39,664 × 39,664
  4. Step 4: Simplify right side
    25,048x = 1,573,232,896
  5. Step 5: Solve for x
    x = 1,573,232,896/25,048
  6. Step 6: Final answer
    x = 62,808.72

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.