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Finding the Third Proportional to 10,050 and 11,490

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Solution

The third proportional to 10,050 and 11,490 is: 13,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050 : 11,490 = 11,490 : x
  2. Step 2: Convert to fraction form
    10,050/11,490 = 11,490/x
  3. Step 3: Cross multiply
    10,050x = 11,490 × 11,490
  4. Step 4: Simplify right side
    10,050x = 132,020,100
  5. Step 5: Solve for x
    x = 132,020,100/10,050
  6. Step 6: Final answer
    x = 13,136.33

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.