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Finding the Third Proportional to 770,262 and 1,662,319.50

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Solution

The third proportional to 770,262 and 1,662,319.50 is: 3,587,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,262 : 1,662,319.50 = 1,662,319.50 : x
  2. Step 2: Convert to fraction form
    770,262/1,662,319.50 = 1,662,319.50/x
  3. Step 3: Cross multiply
    770,262x = 1,662,319.50 × 1,662,319.50
  4. Step 4: Simplify right side
    770,262x = 2,763,306,120,080.25
  5. Step 5: Solve for x
    x = 2,763,306,120,080.25/770,262
  6. Step 6: Final answer
    x = 3,587,488.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.