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Finding the Third Proportional to 3,545,721 and 5,317,285.50

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Solution

The third proportional to 3,545,721 and 5,317,285.50 is: 7,973,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,721 : 5,317,285.50 = 5,317,285.50 : x
  2. Step 2: Convert to fraction form
    3,545,721/5,317,285.50 = 5,317,285.50/x
  3. Step 3: Cross multiply
    3,545,721x = 5,317,285.50 × 5,317,285.50
  4. Step 4: Simplify right side
    3,545,721x = 28,273,525,088,510.25
  5. Step 5: Solve for x
    x = 28,273,525,088,510.25/3,545,721
  6. Step 6: Final answer
    x = 7,973,984.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.