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Finding the Third Proportional to 358,995.75 and 531,397.50

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Solution

The third proportional to 358,995.75 and 531,397.50 is: 786,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,995.75 : 531,397.50 = 531,397.50 : x
  2. Step 2: Convert to fraction form
    358,995.75/531,397.50 = 531,397.50/x
  3. Step 3: Cross multiply
    358,995.75x = 531,397.50 × 531,397.50
  4. Step 4: Simplify right side
    358,995.75x = 282,383,303,006.25
  5. Step 5: Solve for x
    x = 282,383,303,006.25/358,995.75
  6. Step 6: Final answer
    x = 786,592.33

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.