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Finding the Third Proportional to 722,015,172 and 1,116,143,352

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Solution

The third proportional to 722,015,172 and 1,116,143,352 is: 1,725,415,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,015,172 : 1,116,143,352 = 1,116,143,352 : x
  2. Step 2: Convert to fraction form
    722,015,172/1,116,143,352 = 1,116,143,352/x
  3. Step 3: Cross multiply
    722,015,172x = 1,116,143,352 × 1,116,143,352
  4. Step 4: Simplify right side
    722,015,172x = 1,245,775,982,213,795,840
  5. Step 5: Solve for x
    x = 1,245,775,982,213,795,840/722,015,172
  6. Step 6: Final answer
    x = 1,725,415,241.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.