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Finding the Third Proportional to 1,357,470 and 2,680,666

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Solution

The third proportional to 1,357,470 and 2,680,666 is: 5,293,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,470 : 2,680,666 = 2,680,666 : x
  2. Step 2: Convert to fraction form
    1,357,470/2,680,666 = 2,680,666/x
  3. Step 3: Cross multiply
    1,357,470x = 2,680,666 × 2,680,666
  4. Step 4: Simplify right side
    1,357,470x = 7,185,970,203,556
  5. Step 5: Solve for x
    x = 7,185,970,203,556/1,357,470
  6. Step 6: Final answer
    x = 5,293,649.37

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These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.