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Finding the Third Proportional to 76,928,477 and 110,000,347

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Solution

The third proportional to 76,928,477 and 110,000,347 is: 157,289,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,928,477 : 110,000,347 = 110,000,347 : x
  2. Step 2: Convert to fraction form
    76,928,477/110,000,347 = 110,000,347/x
  3. Step 3: Cross multiply
    76,928,477x = 110,000,347 × 110,000,347
  4. Step 4: Simplify right side
    76,928,477x = 12,100,076,340,120,408
  5. Step 5: Solve for x
    x = 12,100,076,340,120,408/76,928,477
  6. Step 6: Final answer
    x = 157,289,950.51

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.