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Finding the Third Proportional to 2,887,988 and 4,489,935

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Solution

The third proportional to 2,887,988 and 4,489,935 is: 6,980,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,988 : 4,489,935 = 4,489,935 : x
  2. Step 2: Convert to fraction form
    2,887,988/4,489,935 = 4,489,935/x
  3. Step 3: Cross multiply
    2,887,988x = 4,489,935 × 4,489,935
  4. Step 4: Simplify right side
    2,887,988x = 20,159,516,304,225
  5. Step 5: Solve for x
    x = 20,159,516,304,225/2,887,988
  6. Step 6: Final answer
    x = 6,980,470.94

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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.