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Finding the Third Proportional to 4,991,699 and 7,133,253

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Solution

The third proportional to 4,991,699 and 7,133,253 is: 10,193,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,699 : 7,133,253 = 7,133,253 : x
  2. Step 2: Convert to fraction form
    4,991,699/7,133,253 = 7,133,253/x
  3. Step 3: Cross multiply
    4,991,699x = 7,133,253 × 7,133,253
  4. Step 4: Simplify right side
    4,991,699x = 50,883,298,362,009
  5. Step 5: Solve for x
    x = 50,883,298,362,009/4,991,699
  6. Step 6: Final answer
    x = 10,193,583.06

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.