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Finding the Third Proportional to 8,559,138 and 18,466,436

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Solution

The third proportional to 8,559,138 and 18,466,436 is: 39,841,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559,138 : 18,466,436 = 18,466,436 : x
  2. Step 2: Convert to fraction form
    8,559,138/18,466,436 = 18,466,436/x
  3. Step 3: Cross multiply
    8,559,138x = 18,466,436 × 18,466,436
  4. Step 4: Simplify right side
    8,559,138x = 341,009,258,542,096
  5. Step 5: Solve for x
    x = 341,009,258,542,096/8,559,138
  6. Step 6: Final answer
    x = 39,841,542.28

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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.