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Finding the Third Proportional to 4,987,178 and 10,771,516

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Solution

The third proportional to 4,987,178 and 10,771,516 is: 23,264,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,178 : 10,771,516 = 10,771,516 : x
  2. Step 2: Convert to fraction form
    4,987,178/10,771,516 = 10,771,516/x
  3. Step 3: Cross multiply
    4,987,178x = 10,771,516 × 10,771,516
  4. Step 4: Simplify right side
    4,987,178x = 116,025,556,938,256
  5. Step 5: Solve for x
    x = 116,025,556,938,256/4,987,178
  6. Step 6: Final answer
    x = 23,264,771.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.