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Finding the Third Proportional to 380,284 and 569,240

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Solution

The third proportional to 380,284 and 569,240 is: 852,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,284 : 569,240 = 569,240 : x
  2. Step 2: Convert to fraction form
    380,284/569,240 = 569,240/x
  3. Step 3: Cross multiply
    380,284x = 569,240 × 569,240
  4. Step 4: Simplify right side
    380,284x = 324,034,177,600
  5. Step 5: Solve for x
    x = 324,034,177,600/380,284
  6. Step 6: Final answer
    x = 852,084.70

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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.