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Finding the Third Proportional to 3,405,515.25 and 7,273,702.50

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Solution

The third proportional to 3,405,515.25 and 7,273,702.50 is: 15,535,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,515.25 : 7,273,702.50 = 7,273,702.50 : x
  2. Step 2: Convert to fraction form
    3,405,515.25/7,273,702.50 = 7,273,702.50/x
  3. Step 3: Cross multiply
    3,405,515.25x = 7,273,702.50 × 7,273,702.50
  4. Step 4: Simplify right side
    3,405,515.25x = 52,906,748,058,506.25
  5. Step 5: Solve for x
    x = 52,906,748,058,506.25/3,405,515.25
  6. Step 6: Final answer
    x = 15,535,607.44

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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.