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Finding the Third Proportional to 297,178,949 and 450,256,143

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Solution

The third proportional to 297,178,949 and 450,256,143 is: 682,183,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,178,949 : 450,256,143 = 450,256,143 : x
  2. Step 2: Convert to fraction form
    297,178,949/450,256,143 = 450,256,143/x
  3. Step 3: Cross multiply
    297,178,949x = 450,256,143 × 450,256,143
  4. Step 4: Simplify right side
    297,178,949x = 202,730,594,309,236,448
  5. Step 5: Solve for x
    x = 202,730,594,309,236,448/297,178,949
  6. Step 6: Final answer
    x = 682,183,563.11

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.