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Finding the Third Proportional to 191,868.75 and 416,340

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Solution

The third proportional to 191,868.75 and 416,340 is: 903,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,868.75 : 416,340 = 416,340 : x
  2. Step 2: Convert to fraction form
    191,868.75/416,340 = 416,340/x
  3. Step 3: Cross multiply
    191,868.75x = 416,340 × 416,340
  4. Step 4: Simplify right side
    191,868.75x = 173,338,995,600
  5. Step 5: Solve for x
    x = 173,338,995,600/191,868.75
  6. Step 6: Final answer
    x = 903,424.84

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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.