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Finding the Third Proportional to 1,917,853.50 and 2,911,773

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Solution

The third proportional to 1,917,853.50 and 2,911,773 is: 4,420,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,853.50 : 2,911,773 = 2,911,773 : x
  2. Step 2: Convert to fraction form
    1,917,853.50/2,911,773 = 2,911,773/x
  3. Step 3: Cross multiply
    1,917,853.50x = 2,911,773 × 2,911,773
  4. Step 4: Simplify right side
    1,917,853.50x = 8,478,422,003,529
  5. Step 5: Solve for x
    x = 8,478,422,003,529/1,917,853.50
  6. Step 6: Final answer
    x = 4,420,787.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.