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Finding the Third Proportional to 40,208,854.50 and 87,791,454

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Solution

The third proportional to 40,208,854.50 and 87,791,454 is: 191,682,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208,854.50 : 87,791,454 = 87,791,454 : x
  2. Step 2: Convert to fraction form
    40,208,854.50/87,791,454 = 87,791,454/x
  3. Step 3: Cross multiply
    40,208,854.50x = 87,791,454 × 87,791,454
  4. Step 4: Simplify right side
    40,208,854.50x = 7,707,339,395,434,116
  5. Step 5: Solve for x
    x = 7,707,339,395,434,116/40,208,854.50
  6. Step 6: Final answer
    x = 191,682,640.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.