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Finding the Third Proportional to 2,658,391.88 and 5,831,412.75

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Solution

The third proportional to 2,658,391.88 and 5,831,412.75 is: 12,791,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,391.88 : 5,831,412.75 = 5,831,412.75 : x
  2. Step 2: Convert to fraction form
    2,658,391.88/5,831,412.75 = 5,831,412.75/x
  3. Step 3: Cross multiply
    2,658,391.88x = 5,831,412.75 × 5,831,412.75
  4. Step 4: Simplify right side
    2,658,391.88x = 34,005,374,660,862.56
  5. Step 5: Solve for x
    x = 34,005,374,660,862.56/2,658,391.88
  6. Step 6: Final answer
    x = 12,791,708.77

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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.