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Finding the Third Proportional to 191,311.88 and 417,079.13

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Solution

The third proportional to 191,311.88 and 417,079.13 is: 909,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,311.88 : 417,079.13 = 417,079.13 : x
  2. Step 2: Convert to fraction form
    191,311.88/417,079.13 = 417,079.13/x
  3. Step 3: Cross multiply
    191,311.88x = 417,079.13 × 417,079.13
  4. Step 4: Simplify right side
    191,311.88x = 173,954,996,510.77
  5. Step 5: Solve for x
    x = 173,954,996,510.77/191,311.88
  6. Step 6: Final answer
    x = 909,274.43

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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.