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Finding the Third Proportional to 360,409.50 and 786,955.50

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Solution

The third proportional to 360,409.50 and 786,955.50 is: 1,718,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,409.50 : 786,955.50 = 786,955.50 : x
  2. Step 2: Convert to fraction form
    360,409.50/786,955.50 = 786,955.50/x
  3. Step 3: Cross multiply
    360,409.50x = 786,955.50 × 786,955.50
  4. Step 4: Simplify right side
    360,409.50x = 619,298,958,980.25
  5. Step 5: Solve for x
    x = 619,298,958,980.25/360,409.50
  6. Step 6: Final answer
    x = 1,718,320.30

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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.