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Finding the Third Proportional to 12,809,041.15 and 27,892,391.45

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Solution

The third proportional to 12,809,041.15 and 27,892,391.45 is: 60,737,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,041.15 : 27,892,391.45 = 27,892,391.45 : x
  2. Step 2: Convert to fraction form
    12,809,041.15/27,892,391.45 = 27,892,391.45/x
  3. Step 3: Cross multiply
    12,809,041.15x = 27,892,391.45 × 27,892,391.45
  4. Step 4: Simplify right side
    12,809,041.15x = 777,985,500,756,409.50
  5. Step 5: Solve for x
    x = 777,985,500,756,409.50/12,809,041.15
  6. Step 6: Final answer
    x = 60,737,216.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.