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Finding the Third Proportional to 875,378 and 1,904,130

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Solution

The third proportional to 875,378 and 1,904,130 is: 4,141,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,378 : 1,904,130 = 1,904,130 : x
  2. Step 2: Convert to fraction form
    875,378/1,904,130 = 1,904,130/x
  3. Step 3: Cross multiply
    875,378x = 1,904,130 × 1,904,130
  4. Step 4: Simplify right side
    875,378x = 3,625,711,056,900
  5. Step 5: Solve for x
    x = 3,625,711,056,900/875,378
  6. Step 6: Final answer
    x = 4,141,880.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.