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Finding the Third Proportional to 67,422,293 and 145,077,283

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Solution

The third proportional to 67,422,293 and 145,077,283 is: 312,172,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422,293 : 145,077,283 = 145,077,283 : x
  2. Step 2: Convert to fraction form
    67,422,293/145,077,283 = 145,077,283/x
  3. Step 3: Cross multiply
    67,422,293x = 145,077,283 × 145,077,283
  4. Step 4: Simplify right side
    67,422,293x = 21,047,418,042,662,088
  5. Step 5: Solve for x
    x = 21,047,418,042,662,088/67,422,293
  6. Step 6: Final answer
    x = 312,172,978.79

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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.