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Finding the Third Proportional to 49,313,640 and 78,536,916

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Solution

The third proportional to 49,313,640 and 78,536,916 is: 125,077,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,313,640 : 78,536,916 = 78,536,916 : x
  2. Step 2: Convert to fraction form
    49,313,640/78,536,916 = 78,536,916/x
  3. Step 3: Cross multiply
    49,313,640x = 78,536,916 × 78,536,916
  4. Step 4: Simplify right side
    49,313,640x = 6,168,047,174,791,056
  5. Step 5: Solve for x
    x = 6,168,047,174,791,056/49,313,640
  6. Step 6: Final answer
    x = 125,077,913.02

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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.