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Finding the Third Proportional to 3,318,945 and 5,125,812.50

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Solution

The third proportional to 3,318,945 and 5,125,812.50 is: 7,916,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,945 : 5,125,812.50 = 5,125,812.50 : x
  2. Step 2: Convert to fraction form
    3,318,945/5,125,812.50 = 5,125,812.50/x
  3. Step 3: Cross multiply
    3,318,945x = 5,125,812.50 × 5,125,812.50
  4. Step 4: Simplify right side
    3,318,945x = 26,273,953,785,156.25
  5. Step 5: Solve for x
    x = 26,273,953,785,156.25/3,318,945
  6. Step 6: Final answer
    x = 7,916,357.09

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.