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Finding the Third Proportional to 4,459,698.79 and 9,738,471.80

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Solution

The third proportional to 4,459,698.79 and 9,738,471.80 is: 21,265,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459,698.79 : 9,738,471.80 = 9,738,471.80 : x
  2. Step 2: Convert to fraction form
    4,459,698.79/9,738,471.80 = 9,738,471.80/x
  3. Step 3: Cross multiply
    4,459,698.79x = 9,738,471.80 × 9,738,471.80
  4. Step 4: Simplify right side
    4,459,698.79x = 94,837,832,938,529.80
  5. Step 5: Solve for x
    x = 94,837,832,938,529.80/4,459,698.79
  6. Step 6: Final answer
    x = 21,265,524.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.