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Finding the Third Proportional to 3,158,154 and 5,020,683.75

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Solution

The third proportional to 3,158,154 and 5,020,683.75 is: 7,981,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,154 : 5,020,683.75 = 5,020,683.75 : x
  2. Step 2: Convert to fraction form
    3,158,154/5,020,683.75 = 5,020,683.75/x
  3. Step 3: Cross multiply
    3,158,154x = 5,020,683.75 × 5,020,683.75
  4. Step 4: Simplify right side
    3,158,154x = 25,207,265,317,514.06
  5. Step 5: Solve for x
    x = 25,207,265,317,514.06/3,158,154
  6. Step 6: Final answer
    x = 7,981,645.39

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.