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Finding the Third Proportional to 644,813,396 and 1,399,103,628

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Solution

The third proportional to 644,813,396 and 1,399,103,628 is: 3,035,747,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,813,396 : 1,399,103,628 = 1,399,103,628 : x
  2. Step 2: Convert to fraction form
    644,813,396/1,399,103,628 = 1,399,103,628/x
  3. Step 3: Cross multiply
    644,813,396x = 1,399,103,628 × 1,399,103,628
  4. Step 4: Simplify right side
    644,813,396x = 1,957,490,961,882,762,496
  5. Step 5: Solve for x
    x = 1,957,490,961,882,762,496/644,813,396
  6. Step 6: Final answer
    x = 3,035,747,976.12

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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.