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Finding the Third Proportional to 874,488 and 1,912,488

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Solution

The third proportional to 874,488 and 1,912,488 is: 4,182,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,488 : 1,912,488 = 1,912,488 : x
  2. Step 2: Convert to fraction form
    874,488/1,912,488 = 1,912,488/x
  3. Step 3: Cross multiply
    874,488x = 1,912,488 × 1,912,488
  4. Step 4: Simplify right side
    874,488x = 3,657,610,350,144
  5. Step 5: Solve for x
    x = 3,657,610,350,144/874,488
  6. Step 6: Final answer
    x = 4,182,573.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.