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Finding the Third Proportional to 403,080 and 879,844

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Solution

The third proportional to 403,080 and 879,844 is: 1,920,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,080 : 879,844 = 879,844 : x
  2. Step 2: Convert to fraction form
    403,080/879,844 = 879,844/x
  3. Step 3: Cross multiply
    403,080x = 879,844 × 879,844
  4. Step 4: Simplify right side
    403,080x = 774,125,464,336
  5. Step 5: Solve for x
    x = 774,125,464,336/403,080
  6. Step 6: Final answer
    x = 1,920,525.61

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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.