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Finding the Third Proportional to 621,262 and 1,358,838

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Solution

The third proportional to 621,262 and 1,358,838 is: 2,972,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,262 : 1,358,838 = 1,358,838 : x
  2. Step 2: Convert to fraction form
    621,262/1,358,838 = 1,358,838/x
  3. Step 3: Cross multiply
    621,262x = 1,358,838 × 1,358,838
  4. Step 4: Simplify right side
    621,262x = 1,846,440,710,244
  5. Step 5: Solve for x
    x = 1,846,440,710,244/621,262
  6. Step 6: Final answer
    x = 2,972,080.56

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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.