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Finding the Third Proportional to 255,690 and 383,373

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Solution

The third proportional to 255,690 and 383,373 is: 574,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,690 : 383,373 = 383,373 : x
  2. Step 2: Convert to fraction form
    255,690/383,373 = 383,373/x
  3. Step 3: Cross multiply
    255,690x = 383,373 × 383,373
  4. Step 4: Simplify right side
    255,690x = 146,974,857,129
  5. Step 5: Solve for x
    x = 146,974,857,129/255,690
  6. Step 6: Final answer
    x = 574,816.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.