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Finding the Third Proportional to 3,230,583.75 and 7,047,972

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Solution

The third proportional to 3,230,583.75 and 7,047,972 is: 15,376,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,583.75 : 7,047,972 = 7,047,972 : x
  2. Step 2: Convert to fraction form
    3,230,583.75/7,047,972 = 7,047,972/x
  3. Step 3: Cross multiply
    3,230,583.75x = 7,047,972 × 7,047,972
  4. Step 4: Simplify right side
    3,230,583.75x = 49,673,909,312,784
  5. Step 5: Solve for x
    x = 49,673,909,312,784/3,230,583.75
  6. Step 6: Final answer
    x = 15,376,140.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.