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Finding the Third Proportional to 1,515,129.68 and 3,270,607.24

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Solution

The third proportional to 1,515,129.68 and 3,270,607.24 is: 7,060,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,129.68 : 3,270,607.24 = 3,270,607.24 : x
  2. Step 2: Convert to fraction form
    1,515,129.68/3,270,607.24 = 3,270,607.24/x
  3. Step 3: Cross multiply
    1,515,129.68x = 3,270,607.24 × 3,270,607.24
  4. Step 4: Simplify right side
    1,515,129.68x = 10,696,871,732,649.98
  5. Step 5: Solve for x
    x = 10,696,871,732,649.98/1,515,129.68
  6. Step 6: Final answer
    x = 7,060,037.09

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