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Finding the Third Proportional to 936,360 and 1,989,360

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Solution

The third proportional to 936,360 and 1,989,360 is: 4,226,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,360 : 1,989,360 = 1,989,360 : x
  2. Step 2: Convert to fraction form
    936,360/1,989,360 = 1,989,360/x
  3. Step 3: Cross multiply
    936,360x = 1,989,360 × 1,989,360
  4. Step 4: Simplify right side
    936,360x = 3,957,553,209,600
  5. Step 5: Solve for x
    x = 3,957,553,209,600/936,360
  6. Step 6: Final answer
    x = 4,226,529.55

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.