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Finding the Third Proportional to 25,604 and 40,078

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Solution

The third proportional to 25,604 and 40,078 is: 62,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604 : 40,078 = 40,078 : x
  2. Step 2: Convert to fraction form
    25,604/40,078 = 40,078/x
  3. Step 3: Cross multiply
    25,604x = 40,078 × 40,078
  4. Step 4: Simplify right side
    25,604x = 1,606,246,084
  5. Step 5: Solve for x
    x = 1,606,246,084/25,604
  6. Step 6: Final answer
    x = 62,734.19

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.