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Finding the Third Proportional to 194,030.50 and 416,411

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Solution

The third proportional to 194,030.50 and 416,411 is: 893,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,030.50 : 416,411 = 416,411 : x
  2. Step 2: Convert to fraction form
    194,030.50/416,411 = 416,411/x
  3. Step 3: Cross multiply
    194,030.50x = 416,411 × 416,411
  4. Step 4: Simplify right side
    194,030.50x = 173,398,120,921
  5. Step 5: Solve for x
    x = 173,398,120,921/194,030.50
  6. Step 6: Final answer
    x = 893,664.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.