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Finding the Third Proportional to 25,487 and 39,369

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Solution

The third proportional to 25,487 and 39,369 is: 60,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487 : 39,369 = 39,369 : x
  2. Step 2: Convert to fraction form
    25,487/39,369 = 39,369/x
  3. Step 3: Cross multiply
    25,487x = 39,369 × 39,369
  4. Step 4: Simplify right side
    25,487x = 1,549,918,161
  5. Step 5: Solve for x
    x = 1,549,918,161/25,487
  6. Step 6: Final answer
    x = 60,812.11

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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.