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Finding the Third Proportional to 2,938,609.88 and 4,540,901.06

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Solution

The third proportional to 2,938,609.88 and 4,540,901.06 is: 7,016,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,609.88 : 4,540,901.06 = 4,540,901.06 : x
  2. Step 2: Convert to fraction form
    2,938,609.88/4,540,901.06 = 4,540,901.06/x
  3. Step 3: Cross multiply
    2,938,609.88x = 4,540,901.06 × 4,540,901.06
  4. Step 4: Simplify right side
    2,938,609.88x = 20,619,782,459,413.63
  5. Step 5: Solve for x
    x = 20,619,782,459,413.63/2,938,609.88
  6. Step 6: Final answer
    x = 7,016,849.24

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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.