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Finding the Third Proportional to 50,392,576 and 78,178,392

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Solution

The third proportional to 50,392,576 and 78,178,392 is: 121,284,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,392,576 : 78,178,392 = 78,178,392 : x
  2. Step 2: Convert to fraction form
    50,392,576/78,178,392 = 78,178,392/x
  3. Step 3: Cross multiply
    50,392,576x = 78,178,392 × 78,178,392
  4. Step 4: Simplify right side
    50,392,576x = 6,111,860,975,705,664
  5. Step 5: Solve for x
    x = 6,111,860,975,705,664/50,392,576
  6. Step 6: Final answer
    x = 121,284,948.32

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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.