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Finding the Third Proportional to 258,082.50 and 607,210.50

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Solution

The third proportional to 258,082.50 and 607,210.50 is: 1,428,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,082.50 : 607,210.50 = 607,210.50 : x
  2. Step 2: Convert to fraction form
    258,082.50/607,210.50 = 607,210.50/x
  3. Step 3: Cross multiply
    258,082.50x = 607,210.50 × 607,210.50
  4. Step 4: Simplify right side
    258,082.50x = 368,704,591,310.25
  5. Step 5: Solve for x
    x = 368,704,591,310.25/258,082.50
  6. Step 6: Final answer
    x = 1,428,630.73

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.