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Finding the Third Proportional to 20,478,431 and 43,995,964

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Solution

The third proportional to 20,478,431 and 43,995,964 is: 94,521,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478,431 : 43,995,964 = 43,995,964 : x
  2. Step 2: Convert to fraction form
    20,478,431/43,995,964 = 43,995,964/x
  3. Step 3: Cross multiply
    20,478,431x = 43,995,964 × 43,995,964
  4. Step 4: Simplify right side
    20,478,431x = 1,935,644,848,289,296
  5. Step 5: Solve for x
    x = 1,935,644,848,289,296/20,478,431
  6. Step 6: Final answer
    x = 94,521,150.00

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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.