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Finding the Third Proportional to 4,601,589.75 and 9,909,580.50

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Solution

The third proportional to 4,601,589.75 and 9,909,580.50 is: 21,340,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601,589.75 : 9,909,580.50 = 9,909,580.50 : x
  2. Step 2: Convert to fraction form
    4,601,589.75/9,909,580.50 = 9,909,580.50/x
  3. Step 3: Cross multiply
    4,601,589.75x = 9,909,580.50 × 9,909,580.50
  4. Step 4: Simplify right side
    4,601,589.75x = 98,199,785,685,980.25
  5. Step 5: Solve for x
    x = 98,199,785,685,980.25/4,601,589.75
  6. Step 6: Final answer
    x = 21,340,404.30

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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.