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Finding the Third Proportional to 1,355,341 and 1,987,740

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Solution

The third proportional to 1,355,341 and 1,987,740 is: 2,915,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,341 : 1,987,740 = 1,987,740 : x
  2. Step 2: Convert to fraction form
    1,355,341/1,987,740 = 1,987,740/x
  3. Step 3: Cross multiply
    1,355,341x = 1,987,740 × 1,987,740
  4. Step 4: Simplify right side
    1,355,341x = 3,951,110,307,600
  5. Step 5: Solve for x
    x = 3,951,110,307,600/1,355,341
  6. Step 6: Final answer
    x = 2,915,214.92

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.