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Finding the Third Proportional to 2,130,720.75 and 2,870,754.75

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Solution

The third proportional to 2,130,720.75 and 2,870,754.75 is: 3,867,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,720.75 : 2,870,754.75 = 2,870,754.75 : x
  2. Step 2: Convert to fraction form
    2,130,720.75/2,870,754.75 = 2,870,754.75/x
  3. Step 3: Cross multiply
    2,130,720.75x = 2,870,754.75 × 2,870,754.75
  4. Step 4: Simplify right side
    2,130,720.75x = 8,241,232,834,647.56
  5. Step 5: Solve for x
    x = 8,241,232,834,647.56/2,130,720.75
  6. Step 6: Final answer
    x = 3,867,814.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.