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Finding the Third Proportional to 641,898 and 1,374,880.50

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Solution

The third proportional to 641,898 and 1,374,880.50 is: 2,944,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,898 : 1,374,880.50 = 1,374,880.50 : x
  2. Step 2: Convert to fraction form
    641,898/1,374,880.50 = 1,374,880.50/x
  3. Step 3: Cross multiply
    641,898x = 1,374,880.50 × 1,374,880.50
  4. Step 4: Simplify right side
    641,898x = 1,890,296,389,280.25
  5. Step 5: Solve for x
    x = 1,890,296,389,280.25/641,898
  6. Step 6: Final answer
    x = 2,944,854.77

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.