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Finding the Third Proportional to 10,509.19 and 22,991.63

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Solution

The third proportional to 10,509.19 and 22,991.63 is: 50,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.19 : 22,991.63 = 22,991.63 : x
  2. Step 2: Convert to fraction form
    10,509.19/22,991.63 = 22,991.63/x
  3. Step 3: Cross multiply
    10,509.19x = 22,991.63 × 22,991.63
  4. Step 4: Simplify right side
    10,509.19x = 528,614,820.14
  5. Step 5: Solve for x
    x = 528,614,820.14/10,509.19
  6. Step 6: Final answer
    x = 50,300.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.