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Finding the Third Proportional to 678,724 and 1,462,352

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Solution

The third proportional to 678,724 and 1,462,352 is: 3,150,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,724 : 1,462,352 = 1,462,352 : x
  2. Step 2: Convert to fraction form
    678,724/1,462,352 = 1,462,352/x
  3. Step 3: Cross multiply
    678,724x = 1,462,352 × 1,462,352
  4. Step 4: Simplify right side
    678,724x = 2,138,473,371,904
  5. Step 5: Solve for x
    x = 2,138,473,371,904/678,724
  6. Step 6: Final answer
    x = 3,150,726.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.