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Finding the Third Proportional to 4,551,984.21 and 9,938,035.55

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Solution

The third proportional to 4,551,984.21 and 9,938,035.55 is: 21,697,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551,984.21 : 9,938,035.55 = 9,938,035.55 : x
  2. Step 2: Convert to fraction form
    4,551,984.21/9,938,035.55 = 9,938,035.55/x
  3. Step 3: Cross multiply
    4,551,984.21x = 9,938,035.55 × 9,938,035.55
  4. Step 4: Simplify right side
    4,551,984.21x = 98,764,550,530,951.08
  5. Step 5: Solve for x
    x = 98,764,550,530,951.08/4,551,984.21
  6. Step 6: Final answer
    x = 21,697,032.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.