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Finding the Third Proportional to 4,592,977 and 9,887,980

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Solution

The third proportional to 4,592,977 and 9,887,980 is: 21,287,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,592,977 : 9,887,980 = 9,887,980 : x
  2. Step 2: Convert to fraction form
    4,592,977/9,887,980 = 9,887,980/x
  3. Step 3: Cross multiply
    4,592,977x = 9,887,980 × 9,887,980
  4. Step 4: Simplify right side
    4,592,977x = 97,772,148,480,400
  5. Step 5: Solve for x
    x = 97,772,148,480,400/4,592,977
  6. Step 6: Final answer
    x = 21,287,315.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.