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Finding the Third Proportional to 621,108 and 1,337,320.13

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Solution

The third proportional to 621,108 and 1,337,320.13 is: 2,879,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,108 : 1,337,320.13 = 1,337,320.13 : x
  2. Step 2: Convert to fraction form
    621,108/1,337,320.13 = 1,337,320.13/x
  3. Step 3: Cross multiply
    621,108x = 1,337,320.13 × 1,337,320.13
  4. Step 4: Simplify right side
    621,108x = 1,788,425,116,730.02
  5. Step 5: Solve for x
    x = 1,788,425,116,730.02/621,108
  6. Step 6: Final answer
    x = 2,879,410.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.