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Finding the Third Proportional to 10,435 and 15,657

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Solution

The third proportional to 10,435 and 15,657 is: 23,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435 : 15,657 = 15,657 : x
  2. Step 2: Convert to fraction form
    10,435/15,657 = 15,657/x
  3. Step 3: Cross multiply
    10,435x = 15,657 × 15,657
  4. Step 4: Simplify right side
    10,435x = 245,141,649
  5. Step 5: Solve for x
    x = 245,141,649/10,435
  6. Step 6: Final answer
    x = 23,492.25

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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.