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Finding the Third Proportional to 1,615,304.53 and 2,500,842.09

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Solution

The third proportional to 1,615,304.53 and 2,500,842.09 is: 3,871,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,304.53 : 2,500,842.09 = 2,500,842.09 : x
  2. Step 2: Convert to fraction form
    1,615,304.53/2,500,842.09 = 2,500,842.09/x
  3. Step 3: Cross multiply
    1,615,304.53x = 2,500,842.09 × 2,500,842.09
  4. Step 4: Simplify right side
    1,615,304.53x = 6,254,211,177,871.88
  5. Step 5: Solve for x
    x = 6,254,211,177,871.88/1,615,304.53
  6. Step 6: Final answer
    x = 3,871,846.49

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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.