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Finding the Third Proportional to 993,421.13 and 2,145,639.38

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Solution

The third proportional to 993,421.13 and 2,145,639.38 is: 4,634,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,421.13 : 2,145,639.38 = 2,145,639.38 : x
  2. Step 2: Convert to fraction form
    993,421.13/2,145,639.38 = 2,145,639.38/x
  3. Step 3: Cross multiply
    993,421.13x = 2,145,639.38 × 2,145,639.38
  4. Step 4: Simplify right side
    993,421.13x = 4,603,768,327,550.39
  5. Step 5: Solve for x
    x = 4,603,768,327,550.39/993,421.13
  6. Step 6: Final answer
    x = 4,634,256.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.