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Finding the Third Proportional to 25,391 and 39,473

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Solution

The third proportional to 25,391 and 39,473 is: 61,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391 : 39,473 = 39,473 : x
  2. Step 2: Convert to fraction form
    25,391/39,473 = 39,473/x
  3. Step 3: Cross multiply
    25,391x = 39,473 × 39,473
  4. Step 4: Simplify right side
    25,391x = 1,558,117,729
  5. Step 5: Solve for x
    x = 1,558,117,729/25,391
  6. Step 6: Final answer
    x = 61,364.96

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.