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Finding the Third Proportional to 622,710 and 1,360,786

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Solution

The third proportional to 622,710 and 1,360,786 is: 2,973,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,710 : 1,360,786 = 1,360,786 : x
  2. Step 2: Convert to fraction form
    622,710/1,360,786 = 1,360,786/x
  3. Step 3: Cross multiply
    622,710x = 1,360,786 × 1,360,786
  4. Step 4: Simplify right side
    622,710x = 1,851,738,537,796
  5. Step 5: Solve for x
    x = 1,851,738,537,796/622,710
  6. Step 6: Final answer
    x = 2,973,677.21

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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.