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Finding the Third Proportional to 39,360,242 and 54,257,317

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Solution

The third proportional to 39,360,242 and 54,257,317 is: 74,792,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,360,242 : 54,257,317 = 54,257,317 : x
  2. Step 2: Convert to fraction form
    39,360,242/54,257,317 = 54,257,317/x
  3. Step 3: Cross multiply
    39,360,242x = 54,257,317 × 54,257,317
  4. Step 4: Simplify right side
    39,360,242x = 2,943,856,448,038,489
  5. Step 5: Solve for x
    x = 2,943,856,448,038,489/39,360,242
  6. Step 6: Final answer
    x = 74,792,640.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.