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Finding the Third Proportional to 1,507,640.34 and 3,251,476.69

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Solution

The third proportional to 1,507,640.34 and 3,251,476.69 is: 7,012,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,640.34 : 3,251,476.69 = 3,251,476.69 : x
  2. Step 2: Convert to fraction form
    1,507,640.34/3,251,476.69 = 3,251,476.69/x
  3. Step 3: Cross multiply
    1,507,640.34x = 3,251,476.69 × 3,251,476.69
  4. Step 4: Simplify right side
    1,507,640.34x = 10,572,100,649,355.97
  5. Step 5: Solve for x
    x = 10,572,100,649,355.97/1,507,640.34
  6. Step 6: Final answer
    x = 7,012,349.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.