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Finding the Third Proportional to 8,745,237.75 and 19,212,211.50

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Solution

The third proportional to 8,745,237.75 and 19,212,211.50 is: 42,206,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,237.75 : 19,212,211.50 = 19,212,211.50 : x
  2. Step 2: Convert to fraction form
    8,745,237.75/19,212,211.50 = 19,212,211.50/x
  3. Step 3: Cross multiply
    8,745,237.75x = 19,212,211.50 × 19,212,211.50
  4. Step 4: Simplify right side
    8,745,237.75x = 369,109,070,720,732.25
  5. Step 5: Solve for x
    x = 369,109,070,720,732.25/8,745,237.75
  6. Step 6: Final answer
    x = 42,206,865.18

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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.