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Finding the Third Proportional to 993,315 and 2,211,468

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Solution

The third proportional to 993,315 and 2,211,468 is: 4,923,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,315 : 2,211,468 = 2,211,468 : x
  2. Step 2: Convert to fraction form
    993,315/2,211,468 = 2,211,468/x
  3. Step 3: Cross multiply
    993,315x = 2,211,468 × 2,211,468
  4. Step 4: Simplify right side
    993,315x = 4,890,590,715,024
  5. Step 5: Solve for x
    x = 4,890,590,715,024/993,315
  6. Step 6: Final answer
    x = 4,923,504.34

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.