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Finding the Third Proportional to 1,938,318 and 4,261,708.50

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Solution

The third proportional to 1,938,318 and 4,261,708.50 is: 9,370,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,318 : 4,261,708.50 = 4,261,708.50 : x
  2. Step 2: Convert to fraction form
    1,938,318/4,261,708.50 = 4,261,708.50/x
  3. Step 3: Cross multiply
    1,938,318x = 4,261,708.50 × 4,261,708.50
  4. Step 4: Simplify right side
    1,938,318x = 18,162,159,338,972.25
  5. Step 5: Solve for x
    x = 18,162,159,338,972.25/1,938,318
  6. Step 6: Final answer
    x = 9,370,061.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.