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Finding the Third Proportional to 2,790,781.50 and 6,009,129

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Solution

The third proportional to 2,790,781.50 and 6,009,129 is: 12,938,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,781.50 : 6,009,129 = 6,009,129 : x
  2. Step 2: Convert to fraction form
    2,790,781.50/6,009,129 = 6,009,129/x
  3. Step 3: Cross multiply
    2,790,781.50x = 6,009,129 × 6,009,129
  4. Step 4: Simplify right side
    2,790,781.50x = 36,109,631,338,641
  5. Step 5: Solve for x
    x = 36,109,631,338,641/2,790,781.50
  6. Step 6: Final answer
    x = 12,938,895.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.