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Finding the Third Proportional to 1,148,912 and 1,609,989

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Solution

The third proportional to 1,148,912 and 1,609,989 is: 2,256,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,912 : 1,609,989 = 1,609,989 : x
  2. Step 2: Convert to fraction form
    1,148,912/1,609,989 = 1,609,989/x
  3. Step 3: Cross multiply
    1,148,912x = 1,609,989 × 1,609,989
  4. Step 4: Simplify right side
    1,148,912x = 2,592,064,580,121
  5. Step 5: Solve for x
    x = 2,592,064,580,121/1,148,912
  6. Step 6: Final answer
    x = 2,256,103.67

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.