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Finding the Third Proportional to 874,557 and 1,911,114

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Solution

The third proportional to 874,557 and 1,911,114 is: 4,176,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,557 : 1,911,114 = 1,911,114 : x
  2. Step 2: Convert to fraction form
    874,557/1,911,114 = 1,911,114/x
  3. Step 3: Cross multiply
    874,557x = 1,911,114 × 1,911,114
  4. Step 4: Simplify right side
    874,557x = 3,652,356,720,996
  5. Step 5: Solve for x
    x = 3,652,356,720,996/874,557
  6. Step 6: Final answer
    x = 4,176,236.34

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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.