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Finding the Third Proportional to 35,918,093 and 78,789,411

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Solution

The third proportional to 35,918,093 and 78,789,411 is: 172,831,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918,093 : 78,789,411 = 78,789,411 : x
  2. Step 2: Convert to fraction form
    35,918,093/78,789,411 = 78,789,411/x
  3. Step 3: Cross multiply
    35,918,093x = 78,789,411 × 78,789,411
  4. Step 4: Simplify right side
    35,918,093x = 6,207,771,285,726,921
  5. Step 5: Solve for x
    x = 6,207,771,285,726,921/35,918,093
  6. Step 6: Final answer
    x = 172,831,316.12

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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.