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Finding the Third Proportional to 8,547 and 12,484.50

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Solution

The third proportional to 8,547 and 12,484.50 is: 18,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547 : 12,484.50 = 12,484.50 : x
  2. Step 2: Convert to fraction form
    8,547/12,484.50 = 12,484.50/x
  3. Step 3: Cross multiply
    8,547x = 12,484.50 × 12,484.50
  4. Step 4: Simplify right side
    8,547x = 155,862,740.25
  5. Step 5: Solve for x
    x = 155,862,740.25/8,547
  6. Step 6: Final answer
    x = 18,235.96

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.