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Finding the Third Proportional to 118,690,456 and 253,058,296

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Solution

The third proportional to 118,690,456 and 253,058,296 is: 539,542,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,690,456 : 253,058,296 = 253,058,296 : x
  2. Step 2: Convert to fraction form
    118,690,456/253,058,296 = 253,058,296/x
  3. Step 3: Cross multiply
    118,690,456x = 253,058,296 × 253,058,296
  4. Step 4: Simplify right side
    118,690,456x = 64,038,501,174,423,616
  5. Step 5: Solve for x
    x = 64,038,501,174,423,616/118,690,456
  6. Step 6: Final answer
    x = 539,542,127.75

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.