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Finding the Third Proportional to 11,580,222 and 15,438,543

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Solution

The third proportional to 11,580,222 and 15,438,543 is: 20,582,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580,222 : 15,438,543 = 15,438,543 : x
  2. Step 2: Convert to fraction form
    11,580,222/15,438,543 = 15,438,543/x
  3. Step 3: Cross multiply
    11,580,222x = 15,438,543 × 15,438,543
  4. Step 4: Simplify right side
    11,580,222x = 238,348,609,962,849
  5. Step 5: Solve for x
    x = 238,348,609,962,849/11,580,222
  6. Step 6: Final answer
    x = 20,582,386.93

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.