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Finding the Third Proportional to 647,754,754 and 1,398,726,310

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Solution

The third proportional to 647,754,754 and 1,398,726,310 is: 3,020,333,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,754,754 : 1,398,726,310 = 1,398,726,310 : x
  2. Step 2: Convert to fraction form
    647,754,754/1,398,726,310 = 1,398,726,310/x
  3. Step 3: Cross multiply
    647,754,754x = 1,398,726,310 × 1,398,726,310
  4. Step 4: Simplify right side
    647,754,754x = 1,956,435,290,286,216,192
  5. Step 5: Solve for x
    x = 1,956,435,290,286,216,192/647,754,754
  6. Step 6: Final answer
    x = 3,020,333,356.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.