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Finding the Third Proportional to 1,473,921.56 and 3,124,997.72

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Solution

The third proportional to 1,473,921.56 and 3,124,997.72 is: 6,625,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,921.56 : 3,124,997.72 = 3,124,997.72 : x
  2. Step 2: Convert to fraction form
    1,473,921.56/3,124,997.72 = 3,124,997.72/x
  3. Step 3: Cross multiply
    1,473,921.56x = 3,124,997.72 × 3,124,997.72
  4. Step 4: Simplify right side
    1,473,921.56x = 9,765,610,742,192.70
  5. Step 5: Solve for x
    x = 9,765,610,742,192.70/1,473,921.56
  6. Step 6: Final answer
    x = 6,625,597.31

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.