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Finding the Third Proportional to 48,043,190 and 74,453,778

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Solution

The third proportional to 48,043,190 and 74,453,778 is: 115,382,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,043,190 : 74,453,778 = 74,453,778 : x
  2. Step 2: Convert to fraction form
    48,043,190/74,453,778 = 74,453,778/x
  3. Step 3: Cross multiply
    48,043,190x = 74,453,778 × 74,453,778
  4. Step 4: Simplify right side
    48,043,190x = 5,543,365,058,473,284
  5. Step 5: Solve for x
    x = 5,543,365,058,473,284/48,043,190
  6. Step 6: Final answer
    x = 115,382,951.43

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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.