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Finding the Third Proportional to 307,836,509.50 and 477,061,832.50

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Solution

The third proportional to 307,836,509.50 and 477,061,832.50 is: 739,314,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,836,509.50 : 477,061,832.50 = 477,061,832.50 : x
  2. Step 2: Convert to fraction form
    307,836,509.50/477,061,832.50 = 477,061,832.50/x
  3. Step 3: Cross multiply
    307,836,509.50x = 477,061,832.50 × 477,061,832.50
  4. Step 4: Simplify right side
    307,836,509.50x = 227,587,992,028,258,048
  5. Step 5: Solve for x
    x = 227,587,992,028,258,048/307,836,509.50
  6. Step 6: Final answer
    x = 739,314,490.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.