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Finding the Third Proportional to 39,187,759.50 and 54,820,435.50

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Solution

The third proportional to 39,187,759.50 and 54,820,435.50 is: 76,689,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187,759.50 : 54,820,435.50 = 54,820,435.50 : x
  2. Step 2: Convert to fraction form
    39,187,759.50/54,820,435.50 = 54,820,435.50/x
  3. Step 3: Cross multiply
    39,187,759.50x = 54,820,435.50 × 54,820,435.50
  4. Step 4: Simplify right side
    39,187,759.50x = 3,005,280,148,409,660
  5. Step 5: Solve for x
    x = 3,005,280,148,409,660/39,187,759.50
  6. Step 6: Final answer
    x = 76,689,256.72

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.