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Finding the Third Proportional to 4,959,963 and 7,020,279

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Solution

The third proportional to 4,959,963 and 7,020,279 is: 9,936,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959,963 : 7,020,279 = 7,020,279 : x
  2. Step 2: Convert to fraction form
    4,959,963/7,020,279 = 7,020,279/x
  3. Step 3: Cross multiply
    4,959,963x = 7,020,279 × 7,020,279
  4. Step 4: Simplify right side
    4,959,963x = 49,284,317,237,841
  5. Step 5: Solve for x
    x = 49,284,317,237,841/4,959,963
  6. Step 6: Final answer
    x = 9,936,428.40

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.