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Finding the Third Proportional to 4,276,329.19 and 8,855,831.25

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Solution

The third proportional to 4,276,329.19 and 8,855,831.25 is: 18,339,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276,329.19 : 8,855,831.25 = 8,855,831.25 : x
  2. Step 2: Convert to fraction form
    4,276,329.19/8,855,831.25 = 8,855,831.25/x
  3. Step 3: Cross multiply
    4,276,329.19x = 8,855,831.25 × 8,855,831.25
  4. Step 4: Simplify right side
    4,276,329.19x = 78,425,747,128,476.56
  5. Step 5: Solve for x
    x = 78,425,747,128,476.56/4,276,329.19
  6. Step 6: Final answer
    x = 18,339,501.87

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.