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Finding the Third Proportional to 4,638,655.50 and 7,077,960

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Solution

The third proportional to 4,638,655.50 and 7,077,960 is: 10,800,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638,655.50 : 7,077,960 = 7,077,960 : x
  2. Step 2: Convert to fraction form
    4,638,655.50/7,077,960 = 7,077,960/x
  3. Step 3: Cross multiply
    4,638,655.50x = 7,077,960 × 7,077,960
  4. Step 4: Simplify right side
    4,638,655.50x = 50,097,517,761,600
  5. Step 5: Solve for x
    x = 50,097,517,761,600/4,638,655.50
  6. Step 6: Final answer
    x = 10,800,008.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.