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Finding the Third Proportional to 403,104 and 879,892

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Solution

The third proportional to 403,104 and 879,892 is: 1,920,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,104 : 879,892 = 879,892 : x
  2. Step 2: Convert to fraction form
    403,104/879,892 = 879,892/x
  3. Step 3: Cross multiply
    403,104x = 879,892 × 879,892
  4. Step 4: Simplify right side
    403,104x = 774,209,931,664
  5. Step 5: Solve for x
    x = 774,209,931,664/403,104
  6. Step 6: Final answer
    x = 1,920,620.81

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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.