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Finding the Third Proportional to 2,888,642.25 and 4,470,390

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Solution

The third proportional to 2,888,642.25 and 4,470,390 is: 6,918,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,642.25 : 4,470,390 = 4,470,390 : x
  2. Step 2: Convert to fraction form
    2,888,642.25/4,470,390 = 4,470,390/x
  3. Step 3: Cross multiply
    2,888,642.25x = 4,470,390 × 4,470,390
  4. Step 4: Simplify right side
    2,888,642.25x = 19,984,386,752,100
  5. Step 5: Solve for x
    x = 19,984,386,752,100/2,888,642.25
  6. Step 6: Final answer
    x = 6,918,262.98

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Why These Related Problems?

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