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Finding the Third Proportional to 785,297 and 1,724,868

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Solution

The third proportional to 785,297 and 1,724,868 is: 3,788,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,297 : 1,724,868 = 1,724,868 : x
  2. Step 2: Convert to fraction form
    785,297/1,724,868 = 1,724,868/x
  3. Step 3: Cross multiply
    785,297x = 1,724,868 × 1,724,868
  4. Step 4: Simplify right side
    785,297x = 2,975,169,617,424
  5. Step 5: Solve for x
    x = 2,975,169,617,424/785,297
  6. Step 6: Final answer
    x = 3,788,591.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.