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Finding the Third Proportional to 10,388 and 15,596

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Solution

The third proportional to 10,388 and 15,596 is: 23,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388 : 15,596 = 15,596 : x
  2. Step 2: Convert to fraction form
    10,388/15,596 = 15,596/x
  3. Step 3: Cross multiply
    10,388x = 15,596 × 15,596
  4. Step 4: Simplify right side
    10,388x = 243,235,216
  5. Step 5: Solve for x
    x = 243,235,216/10,388
  6. Step 6: Final answer
    x = 23,415.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.