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Finding the Third Proportional to 624,441 and 1,343,605

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Solution

The third proportional to 624,441 and 1,343,605 is: 2,891,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,441 : 1,343,605 = 1,343,605 : x
  2. Step 2: Convert to fraction form
    624,441/1,343,605 = 1,343,605/x
  3. Step 3: Cross multiply
    624,441x = 1,343,605 × 1,343,605
  4. Step 4: Simplify right side
    624,441x = 1,805,274,396,025
  5. Step 5: Solve for x
    x = 1,805,274,396,025/624,441
  6. Step 6: Final answer
    x = 2,891,024.77

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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.