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Finding the Third Proportional to 163,309.50 and 349,947

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Solution

The third proportional to 163,309.50 and 349,947 is: 749,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,309.50 : 349,947 = 349,947 : x
  2. Step 2: Convert to fraction form
    163,309.50/349,947 = 349,947/x
  3. Step 3: Cross multiply
    163,309.50x = 349,947 × 349,947
  4. Step 4: Simplify right side
    163,309.50x = 122,462,902,809
  5. Step 5: Solve for x
    x = 122,462,902,809/163,309.50
  6. Step 6: Final answer
    x = 749,882.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.