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Finding the Third Proportional to 1,859,274 and 2,872,989

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Solution

The third proportional to 1,859,274 and 2,872,989 is: 4,439,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,274 : 2,872,989 = 2,872,989 : x
  2. Step 2: Convert to fraction form
    1,859,274/2,872,989 = 2,872,989/x
  3. Step 3: Cross multiply
    1,859,274x = 2,872,989 × 2,872,989
  4. Step 4: Simplify right side
    1,859,274x = 8,254,065,794,121
  5. Step 5: Solve for x
    x = 8,254,065,794,121/1,859,274
  6. Step 6: Final answer
    x = 4,439,402.58

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.