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Finding the Third Proportional to 518,958 and 1,117,944

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Solution

The third proportional to 518,958 and 1,117,944 is: 2,408,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,958 : 1,117,944 = 1,117,944 : x
  2. Step 2: Convert to fraction form
    518,958/1,117,944 = 1,117,944/x
  3. Step 3: Cross multiply
    518,958x = 1,117,944 × 1,117,944
  4. Step 4: Simplify right side
    518,958x = 1,249,798,787,136
  5. Step 5: Solve for x
    x = 1,249,798,787,136/518,958
  6. Step 6: Final answer
    x = 2,408,285.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.