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Finding the Third Proportional to 25,312 and 40,668

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Solution

The third proportional to 25,312 and 40,668 is: 65,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312 : 40,668 = 40,668 : x
  2. Step 2: Convert to fraction form
    25,312/40,668 = 40,668/x
  3. Step 3: Cross multiply
    25,312x = 40,668 × 40,668
  4. Step 4: Simplify right side
    25,312x = 1,653,886,224
  5. Step 5: Solve for x
    x = 1,653,886,224/25,312
  6. Step 6: Final answer
    x = 65,340.01

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.