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Finding the Third Proportional to 4,486,275,549 and 9,816,921,018

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Solution

The third proportional to 4,486,275,549 and 9,816,921,018 is: 21,481,502,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,275,549 : 9,816,921,018 = 9,816,921,018 : x
  2. Step 2: Convert to fraction form
    4,486,275,549/9,816,921,018 = 9,816,921,018/x
  3. Step 3: Cross multiply
    4,486,275,549x = 9,816,921,018 × 9,816,921,018
  4. Step 4: Simplify right side
    4,486,275,549x = 96,371,938,273,650,163,712
  5. Step 5: Solve for x
    x = 96,371,938,273,650,163,712/4,486,275,549
  6. Step 6: Final answer
    x = 21,481,502,244.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.