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Finding the Third Proportional to 310,333.50 and 474,534

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Solution

The third proportional to 310,333.50 and 474,534 is: 725,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,333.50 : 474,534 = 474,534 : x
  2. Step 2: Convert to fraction form
    310,333.50/474,534 = 474,534/x
  3. Step 3: Cross multiply
    310,333.50x = 474,534 × 474,534
  4. Step 4: Simplify right side
    310,333.50x = 225,182,517,156
  5. Step 5: Solve for x
    x = 225,182,517,156/310,333.50
  6. Step 6: Final answer
    x = 725,614.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.