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Finding the Third Proportional to 15,600 and 19,752

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Solution

The third proportional to 15,600 and 19,752 is: 25,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600 : 19,752 = 19,752 : x
  2. Step 2: Convert to fraction form
    15,600/19,752 = 19,752/x
  3. Step 3: Cross multiply
    15,600x = 19,752 × 19,752
  4. Step 4: Simplify right side
    15,600x = 390,141,504
  5. Step 5: Solve for x
    x = 390,141,504/15,600
  6. Step 6: Final answer
    x = 25,009.07

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.