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Finding the Third Proportional to 185,423 and 431,360

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Solution

The third proportional to 185,423 and 431,360 is: 1,003,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,423 : 431,360 = 431,360 : x
  2. Step 2: Convert to fraction form
    185,423/431,360 = 431,360/x
  3. Step 3: Cross multiply
    185,423x = 431,360 × 431,360
  4. Step 4: Simplify right side
    185,423x = 186,071,449,600
  5. Step 5: Solve for x
    x = 186,071,449,600/185,423
  6. Step 6: Final answer
    x = 1,003,497.14

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.