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Finding the Third Proportional to 90,051.75 and 210,367.13

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Solution

The third proportional to 90,051.75 and 210,367.13 is: 491,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,051.75 : 210,367.13 = 210,367.13 : x
  2. Step 2: Convert to fraction form
    90,051.75/210,367.13 = 210,367.13/x
  3. Step 3: Cross multiply
    90,051.75x = 210,367.13 × 210,367.13
  4. Step 4: Simplify right side
    90,051.75x = 44,254,327,280.77
  5. Step 5: Solve for x
    x = 44,254,327,280.77/90,051.75
  6. Step 6: Final answer
    x = 491,432.17

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.