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Finding the Third Proportional to 2,143,546,390 and 4,643,283,844

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Solution

The third proportional to 2,143,546,390 and 4,643,283,844 is: 10,058,137,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,546,390 : 4,643,283,844 = 4,643,283,844 : x
  2. Step 2: Convert to fraction form
    2,143,546,390/4,643,283,844 = 4,643,283,844/x
  3. Step 3: Cross multiply
    2,143,546,390x = 4,643,283,844 × 4,643,283,844
  4. Step 4: Simplify right side
    2,143,546,390x = 21,560,084,855,951,417,344
  5. Step 5: Solve for x
    x = 21,560,084,855,951,417,344/2,143,546,390
  6. Step 6: Final answer
    x = 10,058,137,746.18

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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.