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Finding the Third Proportional to 247,831,434.54 and 374,939,819.95

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Solution

The third proportional to 247,831,434.54 and 374,939,819.95 is: 567,239,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,831,434.54 : 374,939,819.95 = 374,939,819.95 : x
  2. Step 2: Convert to fraction form
    247,831,434.54/374,939,819.95 = 374,939,819.95/x
  3. Step 3: Cross multiply
    247,831,434.54x = 374,939,819.95 × 374,939,819.95
  4. Step 4: Simplify right side
    247,831,434.54x = 140,579,868,581,228,896
  5. Step 5: Solve for x
    x = 140,579,868,581,228,896/247,831,434.54
  6. Step 6: Final answer
    x = 567,239,861.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.