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Finding the Third Proportional to 4,615,278.75 and 7,164,825.75

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Solution

The third proportional to 4,615,278.75 and 7,164,825.75 is: 11,122,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615,278.75 : 7,164,825.75 = 7,164,825.75 : x
  2. Step 2: Convert to fraction form
    4,615,278.75/7,164,825.75 = 7,164,825.75/x
  3. Step 3: Cross multiply
    4,615,278.75x = 7,164,825.75 × 7,164,825.75
  4. Step 4: Simplify right side
    4,615,278.75x = 51,334,728,027,863.06
  5. Step 5: Solve for x
    x = 51,334,728,027,863.06/4,615,278.75
  6. Step 6: Final answer
    x = 11,122,779.53

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1.5x scale

Why These Related Problems?

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