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Finding the Third Proportional to 315,234 and 684,052

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Solution

The third proportional to 315,234 and 684,052 is: 1,484,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,234 : 684,052 = 684,052 : x
  2. Step 2: Convert to fraction form
    315,234/684,052 = 684,052/x
  3. Step 3: Cross multiply
    315,234x = 684,052 × 684,052
  4. Step 4: Simplify right side
    315,234x = 467,927,138,704
  5. Step 5: Solve for x
    x = 467,927,138,704/315,234
  6. Step 6: Final answer
    x = 1,484,380.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.