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Finding the Third Proportional to 1,186,220 and 1,838,319

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Solution

The third proportional to 1,186,220 and 1,838,319 is: 2,848,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,220 : 1,838,319 = 1,838,319 : x
  2. Step 2: Convert to fraction form
    1,186,220/1,838,319 = 1,838,319/x
  3. Step 3: Cross multiply
    1,186,220x = 1,838,319 × 1,838,319
  4. Step 4: Simplify right side
    1,186,220x = 3,379,416,745,761
  5. Step 5: Solve for x
    x = 3,379,416,745,761/1,186,220
  6. Step 6: Final answer
    x = 2,848,895.44

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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.