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Finding the Third Proportional to 191,310.75 and 417,064.50

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Solution

The third proportional to 191,310.75 and 417,064.50 is: 909,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,310.75 : 417,064.50 = 417,064.50 : x
  2. Step 2: Convert to fraction form
    191,310.75/417,064.50 = 417,064.50/x
  3. Step 3: Cross multiply
    191,310.75x = 417,064.50 × 417,064.50
  4. Step 4: Simplify right side
    191,310.75x = 173,942,797,160.25
  5. Step 5: Solve for x
    x = 173,942,797,160.25/191,310.75
  6. Step 6: Final answer
    x = 909,216.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.