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Finding the Third Proportional to 653,658,805 and 1,400,570,620.38

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Solution

The third proportional to 653,658,805 and 1,400,570,620.38 is: 3,000,951,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,658,805 : 1,400,570,620.38 = 1,400,570,620.38 : x
  2. Step 2: Convert to fraction form
    653,658,805/1,400,570,620.38 = 1,400,570,620.38/x
  3. Step 3: Cross multiply
    653,658,805x = 1,400,570,620.38 × 1,400,570,620.38
  4. Step 4: Simplify right side
    653,658,805x = 1,961,598,062,657,612,288
  5. Step 5: Solve for x
    x = 1,961,598,062,657,612,288/653,658,805
  6. Step 6: Final answer
    x = 3,000,951,027.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.