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Finding the Third Proportional to 5,509,320 and 11,903,888

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Solution

The third proportional to 5,509,320 and 11,903,888 is: 25,720,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,320 : 11,903,888 = 11,903,888 : x
  2. Step 2: Convert to fraction form
    5,509,320/11,903,888 = 11,903,888/x
  3. Step 3: Cross multiply
    5,509,320x = 11,903,888 × 11,903,888
  4. Step 4: Simplify right side
    5,509,320x = 141,702,549,516,544
  5. Step 5: Solve for x
    x = 141,702,549,516,544/5,509,320
  6. Step 6: Final answer
    x = 25,720,515.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.