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Finding the Third Proportional to 938,745 and 1,927,252.50

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Solution

The third proportional to 938,745 and 1,927,252.50 is: 3,956,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,745 : 1,927,252.50 = 1,927,252.50 : x
  2. Step 2: Convert to fraction form
    938,745/1,927,252.50 = 1,927,252.50/x
  3. Step 3: Cross multiply
    938,745x = 1,927,252.50 × 1,927,252.50
  4. Step 4: Simplify right side
    938,745x = 3,714,302,198,756.25
  5. Step 5: Solve for x
    x = 3,714,302,198,756.25/938,745
  6. Step 6: Final answer
    x = 3,956,667.89

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.