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Finding the Third Proportional to 57,698,991 and 89,627,778

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Solution

The third proportional to 57,698,991 and 89,627,778 is: 139,224,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698,991 : 89,627,778 = 89,627,778 : x
  2. Step 2: Convert to fraction form
    57,698,991/89,627,778 = 89,627,778/x
  3. Step 3: Cross multiply
    57,698,991x = 89,627,778 × 89,627,778
  4. Step 4: Simplify right side
    57,698,991x = 8,033,138,589,217,284
  5. Step 5: Solve for x
    x = 8,033,138,589,217,284/57,698,991
  6. Step 6: Final answer
    x = 139,224,940.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.