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Finding the Third Proportional to 685,594 and 1,489,124

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Solution

The third proportional to 685,594 and 1,489,124 is: 3,234,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,594 : 1,489,124 = 1,489,124 : x
  2. Step 2: Convert to fraction form
    685,594/1,489,124 = 1,489,124/x
  3. Step 3: Cross multiply
    685,594x = 1,489,124 × 1,489,124
  4. Step 4: Simplify right side
    685,594x = 2,217,490,287,376
  5. Step 5: Solve for x
    x = 2,217,490,287,376/685,594
  6. Step 6: Final answer
    x = 3,234,407.37

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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.