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Finding the Third Proportional to 4,471,899.75 and 9,651,901.50

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Solution

The third proportional to 4,471,899.75 and 9,651,901.50 is: 20,832,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471,899.75 : 9,651,901.50 = 9,651,901.50 : x
  2. Step 2: Convert to fraction form
    4,471,899.75/9,651,901.50 = 9,651,901.50/x
  3. Step 3: Cross multiply
    4,471,899.75x = 9,651,901.50 × 9,651,901.50
  4. Step 4: Simplify right side
    4,471,899.75x = 93,159,202,565,702.25
  5. Step 5: Solve for x
    x = 93,159,202,565,702.25/4,471,899.75
  6. Step 6: Final answer
    x = 20,832,131.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.