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Finding the Third Proportional to 4,884,206.63 and 7,179,972.75

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Solution

The third proportional to 4,884,206.63 and 7,179,972.75 is: 10,554,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884,206.63 : 7,179,972.75 = 7,179,972.75 : x
  2. Step 2: Convert to fraction form
    4,884,206.63/7,179,972.75 = 7,179,972.75/x
  3. Step 3: Cross multiply
    4,884,206.63x = 7,179,972.75 × 7,179,972.75
  4. Step 4: Simplify right side
    4,884,206.63x = 51,552,008,690,742.56
  5. Step 5: Solve for x
    x = 51,552,008,690,742.56/4,884,206.63
  6. Step 6: Final answer
    x = 10,554,837.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.