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Finding the Third Proportional to 1,768,718,540 and 3,785,899,972

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Solution

The third proportional to 1,768,718,540 and 3,785,899,972 is: 8,103,628,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,718,540 : 3,785,899,972 = 3,785,899,972 : x
  2. Step 2: Convert to fraction form
    1,768,718,540/3,785,899,972 = 3,785,899,972/x
  3. Step 3: Cross multiply
    1,768,718,540x = 3,785,899,972 × 3,785,899,972
  4. Step 4: Simplify right side
    1,768,718,540x = 14,333,038,597,989,601,280
  5. Step 5: Solve for x
    x = 14,333,038,597,989,601,280/1,768,718,540
  6. Step 6: Final answer
    x = 8,103,628,855.49

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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.