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Finding the Third Proportional to 755,416 and 1,623,100

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Solution

The third proportional to 755,416 and 1,623,100 is: 3,487,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,416 : 1,623,100 = 1,623,100 : x
  2. Step 2: Convert to fraction form
    755,416/1,623,100 = 1,623,100/x
  3. Step 3: Cross multiply
    755,416x = 1,623,100 × 1,623,100
  4. Step 4: Simplify right side
    755,416x = 2,634,453,610,000
  5. Step 5: Solve for x
    x = 2,634,453,610,000/755,416
  6. Step 6: Final answer
    x = 3,487,420.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.