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Finding the Third Proportional to 748,710 and 1,639,107

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Solution

The third proportional to 748,710 and 1,639,107 is: 3,588,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,710 : 1,639,107 = 1,639,107 : x
  2. Step 2: Convert to fraction form
    748,710/1,639,107 = 1,639,107/x
  3. Step 3: Cross multiply
    748,710x = 1,639,107 × 1,639,107
  4. Step 4: Simplify right side
    748,710x = 2,686,671,757,449
  5. Step 5: Solve for x
    x = 2,686,671,757,449/748,710
  6. Step 6: Final answer
    x = 3,588,401.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.