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Finding the Third Proportional to 64,687,938 and 140,290,377

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Solution

The third proportional to 64,687,938 and 140,290,377 is: 304,251,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687,938 : 140,290,377 = 140,290,377 : x
  2. Step 2: Convert to fraction form
    64,687,938/140,290,377 = 140,290,377/x
  3. Step 3: Cross multiply
    64,687,938x = 140,290,377 × 140,290,377
  4. Step 4: Simplify right side
    64,687,938x = 19,681,389,878,802,128
  5. Step 5: Solve for x
    x = 19,681,389,878,802,128/64,687,938
  6. Step 6: Final answer
    x = 304,251,310.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.