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Finding the Third Proportional to 988,446,755 and 2,166,795,094

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Solution

The third proportional to 988,446,755 and 2,166,795,094 is: 4,749,877,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,446,755 : 2,166,795,094 = 2,166,795,094 : x
  2. Step 2: Convert to fraction form
    988,446,755/2,166,795,094 = 2,166,795,094/x
  3. Step 3: Cross multiply
    988,446,755x = 2,166,795,094 × 2,166,795,094
  4. Step 4: Simplify right side
    988,446,755x = 4,695,000,979,382,468,608
  5. Step 5: Solve for x
    x = 4,695,000,979,382,468,608/988,446,755
  6. Step 6: Final answer
    x = 4,749,877,477.60

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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.