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Finding the Third Proportional to 118,690,442 and 253,058,272

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Solution

The third proportional to 118,690,442 and 253,058,272 is: 539,542,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,690,442 : 253,058,272 = 253,058,272 : x
  2. Step 2: Convert to fraction form
    118,690,442/253,058,272 = 253,058,272/x
  3. Step 3: Cross multiply
    118,690,442x = 253,058,272 × 253,058,272
  4. Step 4: Simplify right side
    118,690,442x = 64,038,489,027,625,984
  5. Step 5: Solve for x
    x = 64,038,489,027,625,984/118,690,442
  6. Step 6: Final answer
    x = 539,542,089.06

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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.