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Finding the Third Proportional to 3,276,428 and 5,128,535

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Solution

The third proportional to 3,276,428 and 5,128,535 is: 8,027,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,428 : 5,128,535 = 5,128,535 : x
  2. Step 2: Convert to fraction form
    3,276,428/5,128,535 = 5,128,535/x
  3. Step 3: Cross multiply
    3,276,428x = 5,128,535 × 5,128,535
  4. Step 4: Simplify right side
    3,276,428x = 26,301,871,246,225
  5. Step 5: Solve for x
    x = 26,301,871,246,225/3,276,428
  6. Step 6: Final answer
    x = 8,027,605.44

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.