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Finding the Third Proportional to 5,210,820 and 11,312,888

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Solution

The third proportional to 5,210,820 and 11,312,888 is: 24,560,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,820 : 11,312,888 = 11,312,888 : x
  2. Step 2: Convert to fraction form
    5,210,820/11,312,888 = 11,312,888/x
  3. Step 3: Cross multiply
    5,210,820x = 11,312,888 × 11,312,888
  4. Step 4: Simplify right side
    5,210,820x = 127,981,434,900,544
  5. Step 5: Solve for x
    x = 127,981,434,900,544/5,210,820
  6. Step 6: Final answer
    x = 24,560,709.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.