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Finding the Third Proportional to 4,990.50 and 10,953

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Solution

The third proportional to 4,990.50 and 10,953 is: 24,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.50 : 10,953 = 10,953 : x
  2. Step 2: Convert to fraction form
    4,990.50/10,953 = 10,953/x
  3. Step 3: Cross multiply
    4,990.50x = 10,953 × 10,953
  4. Step 4: Simplify right side
    4,990.50x = 119,968,209
  5. Step 5: Solve for x
    x = 119,968,209/4,990.50
  6. Step 6: Final answer
    x = 24,039.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.