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Finding the Third Proportional to 5,223,581 and 7,397,971

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Solution

The third proportional to 5,223,581 and 7,397,971 is: 10,477,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223,581 : 7,397,971 = 7,397,971 : x
  2. Step 2: Convert to fraction form
    5,223,581/7,397,971 = 7,397,971/x
  3. Step 3: Cross multiply
    5,223,581x = 7,397,971 × 7,397,971
  4. Step 4: Simplify right side
    5,223,581x = 54,729,974,916,841
  5. Step 5: Solve for x
    x = 54,729,974,916,841/5,223,581
  6. Step 6: Final answer
    x = 10,477,481.81

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.