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Finding the Third Proportional to 405,256.50 and 938,101.50

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Solution

The third proportional to 405,256.50 and 938,101.50 is: 2,171,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,256.50 : 938,101.50 = 938,101.50 : x
  2. Step 2: Convert to fraction form
    405,256.50/938,101.50 = 938,101.50/x
  3. Step 3: Cross multiply
    405,256.50x = 938,101.50 × 938,101.50
  4. Step 4: Simplify right side
    405,256.50x = 880,034,424,302.25
  5. Step 5: Solve for x
    x = 880,034,424,302.25/405,256.50
  6. Step 6: Final answer
    x = 2,171,549.19

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.