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Finding the Third Proportional to 869,379.75 and 1,329,885

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Solution

The third proportional to 869,379.75 and 1,329,885 is: 2,034,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,379.75 : 1,329,885 = 1,329,885 : x
  2. Step 2: Convert to fraction form
    869,379.75/1,329,885 = 1,329,885/x
  3. Step 3: Cross multiply
    869,379.75x = 1,329,885 × 1,329,885
  4. Step 4: Simplify right side
    869,379.75x = 1,768,594,113,225
  5. Step 5: Solve for x
    x = 1,768,594,113,225/869,379.75
  6. Step 6: Final answer
    x = 2,034,317.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.