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Finding the Third Proportional to 9,312 and 14,157

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Solution

The third proportional to 9,312 and 14,157 is: 21,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312 : 14,157 = 14,157 : x
  2. Step 2: Convert to fraction form
    9,312/14,157 = 14,157/x
  3. Step 3: Cross multiply
    9,312x = 14,157 × 14,157
  4. Step 4: Simplify right side
    9,312x = 200,420,649
  5. Step 5: Solve for x
    x = 200,420,649/9,312
  6. Step 6: Final answer
    x = 21,522.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.