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Finding the Third Proportional to 7,777,826 and 12,173,335

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Solution

The third proportional to 7,777,826 and 12,173,335 is: 19,052,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,826 : 12,173,335 = 12,173,335 : x
  2. Step 2: Convert to fraction form
    7,777,826/12,173,335 = 12,173,335/x
  3. Step 3: Cross multiply
    7,777,826x = 12,173,335 × 12,173,335
  4. Step 4: Simplify right side
    7,777,826x = 148,190,085,022,225
  5. Step 5: Solve for x
    x = 148,190,085,022,225/7,777,826
  6. Step 6: Final answer
    x = 19,052,892.80

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.