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Finding the Third Proportional to 15,213 and 32,690

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Solution

The third proportional to 15,213 and 32,690 is: 70,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213 : 32,690 = 32,690 : x
  2. Step 2: Convert to fraction form
    15,213/32,690 = 32,690/x
  3. Step 3: Cross multiply
    15,213x = 32,690 × 32,690
  4. Step 4: Simplify right side
    15,213x = 1,068,636,100
  5. Step 5: Solve for x
    x = 1,068,636,100/15,213
  6. Step 6: Final answer
    x = 70,244.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.