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Finding the Third Proportional to 7,220,656.50 and 15,858,570

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Solution

The third proportional to 7,220,656.50 and 15,858,570 is: 34,829,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,656.50 : 15,858,570 = 15,858,570 : x
  2. Step 2: Convert to fraction form
    7,220,656.50/15,858,570 = 15,858,570/x
  3. Step 3: Cross multiply
    7,220,656.50x = 15,858,570 × 15,858,570
  4. Step 4: Simplify right side
    7,220,656.50x = 251,494,242,444,900
  5. Step 5: Solve for x
    x = 251,494,242,444,900/7,220,656.50
  6. Step 6: Final answer
    x = 34,829,830.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.