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Finding the Third Proportional to 25,062,780 and 39,879,810

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Solution

The third proportional to 25,062,780 and 39,879,810 is: 63,456,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,062,780 : 39,879,810 = 39,879,810 : x
  2. Step 2: Convert to fraction form
    25,062,780/39,879,810 = 39,879,810/x
  3. Step 3: Cross multiply
    25,062,780x = 39,879,810 × 39,879,810
  4. Step 4: Simplify right side
    25,062,780x = 1,590,399,245,636,100
  5. Step 5: Solve for x
    x = 1,590,399,245,636,100/25,062,780
  6. Step 6: Final answer
    x = 63,456,617.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.