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Finding the Third Proportional to 936,642 and 2,210,328

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Solution

The third proportional to 936,642 and 2,210,328 is: 5,216,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,642 : 2,210,328 = 2,210,328 : x
  2. Step 2: Convert to fraction form
    936,642/2,210,328 = 2,210,328/x
  3. Step 3: Cross multiply
    936,642x = 2,210,328 × 2,210,328
  4. Step 4: Simplify right side
    936,642x = 4,885,549,867,584
  5. Step 5: Solve for x
    x = 4,885,549,867,584/936,642
  6. Step 6: Final answer
    x = 5,216,026.90

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.