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Finding the Third Proportional to 4,621,915.63 and 7,212,675.63

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Solution

The third proportional to 4,621,915.63 and 7,212,675.63 is: 11,255,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621,915.63 : 7,212,675.63 = 7,212,675.63 : x
  2. Step 2: Convert to fraction form
    4,621,915.63/7,212,675.63 = 7,212,675.63/x
  3. Step 3: Cross multiply
    4,621,915.63x = 7,212,675.63 × 7,212,675.63
  4. Step 4: Simplify right side
    4,621,915.63x = 52,022,689,671,469.14
  5. Step 5: Solve for x
    x = 52,022,689,671,469.14/4,621,915.63
  6. Step 6: Final answer
    x = 11,255,655.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.