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Finding the Third Proportional to 358,399.50 and 782,001

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Solution

The third proportional to 358,399.50 and 782,001 is: 1,706,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,399.50 : 782,001 = 782,001 : x
  2. Step 2: Convert to fraction form
    358,399.50/782,001 = 782,001/x
  3. Step 3: Cross multiply
    358,399.50x = 782,001 × 782,001
  4. Step 4: Simplify right side
    358,399.50x = 611,525,564,001
  5. Step 5: Solve for x
    x = 611,525,564,001/358,399.50
  6. Step 6: Final answer
    x = 1,706,267.90

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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.