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Finding the Third Proportional to 194,078 and 417,681

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Solution

The third proportional to 194,078 and 417,681 is: 898,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,078 : 417,681 = 417,681 : x
  2. Step 2: Convert to fraction form
    194,078/417,681 = 417,681/x
  3. Step 3: Cross multiply
    194,078x = 417,681 × 417,681
  4. Step 4: Simplify right side
    194,078x = 174,457,417,761
  5. Step 5: Solve for x
    x = 174,457,417,761/194,078
  6. Step 6: Final answer
    x = 898,903.63

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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.