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Finding the Third Proportional to 423,607.50 and 931,174.50

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Solution

The third proportional to 423,607.50 and 931,174.50 is: 2,046,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,607.50 : 931,174.50 = 931,174.50 : x
  2. Step 2: Convert to fraction form
    423,607.50/931,174.50 = 931,174.50/x
  3. Step 3: Cross multiply
    423,607.50x = 931,174.50 × 931,174.50
  4. Step 4: Simplify right side
    423,607.50x = 867,085,949,450.25
  5. Step 5: Solve for x
    x = 867,085,949,450.25/423,607.50
  6. Step 6: Final answer
    x = 2,046,908.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.