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Finding the Third Proportional to 40,605,828 and 87,683,520.50

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Solution

The third proportional to 40,605,828 and 87,683,520.50 is: 189,342,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605,828 : 87,683,520.50 = 87,683,520.50 : x
  2. Step 2: Convert to fraction form
    40,605,828/87,683,520.50 = 87,683,520.50/x
  3. Step 3: Cross multiply
    40,605,828x = 87,683,520.50 × 87,683,520.50
  4. Step 4: Simplify right side
    40,605,828x = 7,688,399,767,273,920
  5. Step 5: Solve for x
    x = 7,688,399,767,273,920/40,605,828
  6. Step 6: Final answer
    x = 189,342,272.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.