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Finding the Third Proportional to 1,778,556 and 2,662,966.50

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Solution

The third proportional to 1,778,556 and 2,662,966.50 is: 3,987,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,556 : 2,662,966.50 = 2,662,966.50 : x
  2. Step 2: Convert to fraction form
    1,778,556/2,662,966.50 = 2,662,966.50/x
  3. Step 3: Cross multiply
    1,778,556x = 2,662,966.50 × 2,662,966.50
  4. Step 4: Simplify right side
    1,778,556x = 7,091,390,580,122.25
  5. Step 5: Solve for x
    x = 7,091,390,580,122.25/1,778,556
  6. Step 6: Final answer
    x = 3,987,161.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.