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Finding the Third Proportional to 15,878 and 23,358

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Solution

The third proportional to 15,878 and 23,358 is: 34,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878 : 23,358 = 23,358 : x
  2. Step 2: Convert to fraction form
    15,878/23,358 = 23,358/x
  3. Step 3: Cross multiply
    15,878x = 23,358 × 23,358
  4. Step 4: Simplify right side
    15,878x = 545,596,164
  5. Step 5: Solve for x
    x = 545,596,164/15,878
  6. Step 6: Final answer
    x = 34,361.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.