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Finding the Third Proportional to 255,553,925 and 417,252,392

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Solution

The third proportional to 255,553,925 and 417,252,392 is: 681,263,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,553,925 : 417,252,392 = 417,252,392 : x
  2. Step 2: Convert to fraction form
    255,553,925/417,252,392 = 417,252,392/x
  3. Step 3: Cross multiply
    255,553,925x = 417,252,392 × 417,252,392
  4. Step 4: Simplify right side
    255,553,925x = 174,099,558,629,721,664
  5. Step 5: Solve for x
    x = 174,099,558,629,721,664/255,553,925
  6. Step 6: Final answer
    x = 681,263,489.22

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.