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Finding the Third Proportional to 3,756,646.63 and 5,612,768.91

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Solution

The third proportional to 3,756,646.63 and 5,612,768.91 is: 8,385,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756,646.63 : 5,612,768.91 = 5,612,768.91 : x
  2. Step 2: Convert to fraction form
    3,756,646.63/5,612,768.91 = 5,612,768.91/x
  3. Step 3: Cross multiply
    3,756,646.63x = 5,612,768.91 × 5,612,768.91
  4. Step 4: Simplify right side
    3,756,646.63x = 31,503,174,860,743.99
  5. Step 5: Solve for x
    x = 31,503,174,860,743.99/3,756,646.63
  6. Step 6: Final answer
    x = 8,385,983.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.