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Finding the Third Proportional to 4,592,916 and 9,887,778

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Solution

The third proportional to 4,592,916 and 9,887,778 is: 21,286,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,592,916 : 9,887,778 = 9,887,778 : x
  2. Step 2: Convert to fraction form
    4,592,916/9,887,778 = 9,887,778/x
  3. Step 3: Cross multiply
    4,592,916x = 9,887,778 × 9,887,778
  4. Step 4: Simplify right side
    4,592,916x = 97,768,153,777,284
  5. Step 5: Solve for x
    x = 97,768,153,777,284/4,592,916
  6. Step 6: Final answer
    x = 21,286,728.03

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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.