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Finding the Third Proportional to 644,813,429 and 1,399,103,695

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Solution

The third proportional to 644,813,429 and 1,399,103,695 is: 3,035,748,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,813,429 : 1,399,103,695 = 1,399,103,695 : x
  2. Step 2: Convert to fraction form
    644,813,429/1,399,103,695 = 1,399,103,695/x
  3. Step 3: Cross multiply
    644,813,429x = 1,399,103,695 × 1,399,103,695
  4. Step 4: Simplify right side
    644,813,429x = 1,957,491,149,362,652,928
  5. Step 5: Solve for x
    x = 1,957,491,149,362,652,928/644,813,429
  6. Step 6: Final answer
    x = 3,035,748,111.51

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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.