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Finding the Third Proportional to 64,911,321.84 and 100,831,190.77

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Solution

The third proportional to 64,911,321.84 and 100,831,190.77 is: 156,627,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,911,321.84 : 100,831,190.77 = 100,831,190.77 : x
  2. Step 2: Convert to fraction form
    64,911,321.84/100,831,190.77 = 100,831,190.77/x
  3. Step 3: Cross multiply
    64,911,321.84x = 100,831,190.77 × 100,831,190.77
  4. Step 4: Simplify right side
    64,911,321.84x = 10,166,929,031,212,850
  5. Step 5: Solve for x
    x = 10,166,929,031,212,850/64,911,321.84
  6. Step 6: Final answer
    x = 156,627,977.10

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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.