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Finding the Third Proportional to 769,672.13 and 1,191,877.03

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Solution

The third proportional to 769,672.13 and 1,191,877.03 is: 1,845,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,672.13 : 1,191,877.03 = 1,191,877.03 : x
  2. Step 2: Convert to fraction form
    769,672.13/1,191,877.03 = 1,191,877.03/x
  3. Step 3: Cross multiply
    769,672.13x = 1,191,877.03 × 1,191,877.03
  4. Step 4: Simplify right side
    769,672.13x = 1,420,570,857,621.31
  5. Step 5: Solve for x
    x = 1,420,570,857,621.31/769,672.13
  6. Step 6: Final answer
    x = 1,845,683.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.