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Finding the Third Proportional to 25,863 and 39,547

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Solution

The third proportional to 25,863 and 39,547 is: 60,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,863 : 39,547 = 39,547 : x
  2. Step 2: Convert to fraction form
    25,863/39,547 = 39,547/x
  3. Step 3: Cross multiply
    25,863x = 39,547 × 39,547
  4. Step 4: Simplify right side
    25,863x = 1,563,965,209
  5. Step 5: Solve for x
    x = 1,563,965,209/25,863
  6. Step 6: Final answer
    x = 60,471.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.