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Finding the Third Proportional to 12,128,538 and 26,535,948

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Solution

The third proportional to 12,128,538 and 26,535,948 is: 58,057,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,538 : 26,535,948 = 26,535,948 : x
  2. Step 2: Convert to fraction form
    12,128,538/26,535,948 = 26,535,948/x
  3. Step 3: Cross multiply
    12,128,538x = 26,535,948 × 26,535,948
  4. Step 4: Simplify right side
    12,128,538x = 704,156,536,258,704
  5. Step 5: Solve for x
    x = 704,156,536,258,704/12,128,538
  6. Step 6: Final answer
    x = 58,057,824.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.