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Finding the Third Proportional to 67,404,887 and 145,192,558

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Solution

The third proportional to 67,404,887 and 145,192,558 is: 312,750,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,404,887 : 145,192,558 = 145,192,558 : x
  2. Step 2: Convert to fraction form
    67,404,887/145,192,558 = 145,192,558/x
  3. Step 3: Cross multiply
    67,404,887x = 145,192,558 × 145,192,558
  4. Step 4: Simplify right side
    67,404,887x = 21,080,878,898,583,364
  5. Step 5: Solve for x
    x = 21,080,878,898,583,364/67,404,887
  6. Step 6: Final answer
    x = 312,750,007.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.