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Finding the Third Proportional to 3,579,020 and 5,420,624

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Solution

The third proportional to 3,579,020 and 5,420,624 is: 8,209,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,020 : 5,420,624 = 5,420,624 : x
  2. Step 2: Convert to fraction form
    3,579,020/5,420,624 = 5,420,624/x
  3. Step 3: Cross multiply
    3,579,020x = 5,420,624 × 5,420,624
  4. Step 4: Simplify right side
    3,579,020x = 29,383,164,549,376
  5. Step 5: Solve for x
    x = 29,383,164,549,376/3,579,020
  6. Step 6: Final answer
    x = 8,209,835.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.