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Finding the Third Proportional to 6,460,638.75 and 10,008,580.50

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Solution

The third proportional to 6,460,638.75 and 10,008,580.50 is: 15,504,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460,638.75 : 10,008,580.50 = 10,008,580.50 : x
  2. Step 2: Convert to fraction form
    6,460,638.75/10,008,580.50 = 10,008,580.50/x
  3. Step 3: Cross multiply
    6,460,638.75x = 10,008,580.50 × 10,008,580.50
  4. Step 4: Simplify right side
    6,460,638.75x = 100,171,683,624,980.25
  5. Step 5: Solve for x
    x = 100,171,683,624,980.25/6,460,638.75
  6. Step 6: Final answer
    x = 15,504,919.48

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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.