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Finding the Third Proportional to 8,670,656 and 20,078,658

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Solution

The third proportional to 8,670,656 and 20,078,658 is: 46,496,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,656 : 20,078,658 = 20,078,658 : x
  2. Step 2: Convert to fraction form
    8,670,656/20,078,658 = 20,078,658/x
  3. Step 3: Cross multiply
    8,670,656x = 20,078,658 × 20,078,658
  4. Step 4: Simplify right side
    8,670,656x = 403,152,507,080,964
  5. Step 5: Solve for x
    x = 403,152,507,080,964/8,670,656
  6. Step 6: Final answer
    x = 46,496,194.41

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.