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Finding the Third Proportional to 7,948,459.13 and 12,606,674.63

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Solution

The third proportional to 7,948,459.13 and 12,606,674.63 is: 19,994,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948,459.13 : 12,606,674.63 = 12,606,674.63 : x
  2. Step 2: Convert to fraction form
    7,948,459.13/12,606,674.63 = 12,606,674.63/x
  3. Step 3: Cross multiply
    7,948,459.13x = 12,606,674.63 × 12,606,674.63
  4. Step 4: Simplify right side
    7,948,459.13x = 158,928,245,100,618.88
  5. Step 5: Solve for x
    x = 158,928,245,100,618.88/7,948,459.13
  6. Step 6: Final answer
    x = 19,994,849.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.