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Finding the Third Proportional to 350,488 and 765,840

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Solution

The third proportional to 350,488 and 765,840 is: 1,673,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,488 : 765,840 = 765,840 : x
  2. Step 2: Convert to fraction form
    350,488/765,840 = 765,840/x
  3. Step 3: Cross multiply
    350,488x = 765,840 × 765,840
  4. Step 4: Simplify right side
    350,488x = 586,510,905,600
  5. Step 5: Solve for x
    x = 586,510,905,600/350,488
  6. Step 6: Final answer
    x = 1,673,412.23

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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.