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Finding the Third Proportional to 5,219,820 and 11,066,328

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Solution

The third proportional to 5,219,820 and 11,066,328 is: 23,461,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,820 : 11,066,328 = 11,066,328 : x
  2. Step 2: Convert to fraction form
    5,219,820/11,066,328 = 11,066,328/x
  3. Step 3: Cross multiply
    5,219,820x = 11,066,328 × 11,066,328
  4. Step 4: Simplify right side
    5,219,820x = 122,463,615,403,584
  5. Step 5: Solve for x
    x = 122,463,615,403,584/5,219,820
  6. Step 6: Final answer
    x = 23,461,271.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.