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Finding the Third Proportional to 750,078 and 1,617,432

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Solution

The third proportional to 750,078 and 1,617,432 is: 3,487,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,078 : 1,617,432 = 1,617,432 : x
  2. Step 2: Convert to fraction form
    750,078/1,617,432 = 1,617,432/x
  3. Step 3: Cross multiply
    750,078x = 1,617,432 × 1,617,432
  4. Step 4: Simplify right side
    750,078x = 2,616,086,274,624
  5. Step 5: Solve for x
    x = 2,616,086,274,624/750,078
  6. Step 6: Final answer
    x = 3,487,752.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.