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Finding the Third Proportional to 218,485,946 and 468,135,893

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Solution

The third proportional to 218,485,946 and 468,135,893 is: 1,003,044,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,485,946 : 468,135,893 = 468,135,893 : x
  2. Step 2: Convert to fraction form
    218,485,946/468,135,893 = 468,135,893/x
  3. Step 3: Cross multiply
    218,485,946x = 468,135,893 × 468,135,893
  4. Step 4: Simplify right side
    218,485,946x = 219,151,214,314,907,456
  5. Step 5: Solve for x
    x = 219,151,214,314,907,456/218,485,946
  6. Step 6: Final answer
    x = 1,003,044,902.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.