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Finding the Third Proportional to 346,584 and 744,740

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Solution

The third proportional to 346,584 and 744,740 is: 1,600,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,584 : 744,740 = 744,740 : x
  2. Step 2: Convert to fraction form
    346,584/744,740 = 744,740/x
  3. Step 3: Cross multiply
    346,584x = 744,740 × 744,740
  4. Step 4: Simplify right side
    346,584x = 554,637,667,600
  5. Step 5: Solve for x
    x = 554,637,667,600/346,584
  6. Step 6: Final answer
    x = 1,600,297.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.