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Finding the Third Proportional to 2,169,597.50 and 4,665,702.75

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Solution

The third proportional to 2,169,597.50 and 4,665,702.75 is: 10,033,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,597.50 : 4,665,702.75 = 4,665,702.75 : x
  2. Step 2: Convert to fraction form
    2,169,597.50/4,665,702.75 = 4,665,702.75/x
  3. Step 3: Cross multiply
    2,169,597.50x = 4,665,702.75 × 4,665,702.75
  4. Step 4: Simplify right side
    2,169,597.50x = 21,768,782,151,357.56
  5. Step 5: Solve for x
    x = 21,768,782,151,357.56/2,169,597.50
  6. Step 6: Final answer
    x = 10,033,557.91

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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.