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Finding the Third Proportional to 5,512 and 8,547

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Solution

The third proportional to 5,512 and 8,547 is: 13,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512 : 8,547 = 8,547 : x
  2. Step 2: Convert to fraction form
    5,512/8,547 = 8,547/x
  3. Step 3: Cross multiply
    5,512x = 8,547 × 8,547
  4. Step 4: Simplify right side
    5,512x = 73,051,209
  5. Step 5: Solve for x
    x = 73,051,209/5,512
  6. Step 6: Final answer
    x = 13,253.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.