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Finding the Third Proportional to 2,688,920 and 4,165,580

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Solution

The third proportional to 2,688,920 and 4,165,580 is: 6,453,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,920 : 4,165,580 = 4,165,580 : x
  2. Step 2: Convert to fraction form
    2,688,920/4,165,580 = 4,165,580/x
  3. Step 3: Cross multiply
    2,688,920x = 4,165,580 × 4,165,580
  4. Step 4: Simplify right side
    2,688,920x = 17,352,056,736,400
  5. Step 5: Solve for x
    x = 17,352,056,736,400/2,688,920
  6. Step 6: Final answer
    x = 6,453,169.58

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.