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Finding the Third Proportional to 67,404,960 and 145,192,702.50

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Solution

The third proportional to 67,404,960 and 145,192,702.50 is: 312,750,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,404,960 : 145,192,702.50 = 145,192,702.50 : x
  2. Step 2: Convert to fraction form
    67,404,960/145,192,702.50 = 145,192,702.50/x
  3. Step 3: Cross multiply
    67,404,960x = 145,192,702.50 × 145,192,702.50
  4. Step 4: Simplify right side
    67,404,960x = 21,080,920,859,253,508
  5. Step 5: Solve for x
    x = 21,080,920,859,253,508/67,404,960
  6. Step 6: Final answer
    x = 312,750,291.07

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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.