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Finding the Third Proportional to 322,406,732 and 699,551,881

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Solution

The third proportional to 322,406,732 and 699,551,881 is: 1,517,874,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,406,732 : 699,551,881 = 699,551,881 : x
  2. Step 2: Convert to fraction form
    322,406,732/699,551,881 = 699,551,881/x
  3. Step 3: Cross multiply
    322,406,732x = 699,551,881 × 699,551,881
  4. Step 4: Simplify right side
    322,406,732x = 489,372,834,210,638,144
  5. Step 5: Solve for x
    x = 489,372,834,210,638,144/322,406,732
  6. Step 6: Final answer
    x = 1,517,874,118.74

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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.