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Finding the Third Proportional to 19,590 and 43,068

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Solution

The third proportional to 19,590 and 43,068 is: 94,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590 : 43,068 = 43,068 : x
  2. Step 2: Convert to fraction form
    19,590/43,068 = 43,068/x
  3. Step 3: Cross multiply
    19,590x = 43,068 × 43,068
  4. Step 4: Simplify right side
    19,590x = 1,854,852,624
  5. Step 5: Solve for x
    x = 1,854,852,624/19,590
  6. Step 6: Final answer
    x = 94,683.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.