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Finding the Third Proportional to 5,360,272 and 11,665,328

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Solution

The third proportional to 5,360,272 and 11,665,328 is: 25,386,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360,272 : 11,665,328 = 11,665,328 : x
  2. Step 2: Convert to fraction form
    5,360,272/11,665,328 = 11,665,328/x
  3. Step 3: Cross multiply
    5,360,272x = 11,665,328 × 11,665,328
  4. Step 4: Simplify right side
    5,360,272x = 136,079,877,347,584
  5. Step 5: Solve for x
    x = 136,079,877,347,584/5,360,272
  6. Step 6: Final answer
    x = 25,386,748.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.