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Finding the Third Proportional to 719,770 and 1,539,170

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Solution

The third proportional to 719,770 and 1,539,170 is: 3,291,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,770 : 1,539,170 = 1,539,170 : x
  2. Step 2: Convert to fraction form
    719,770/1,539,170 = 1,539,170/x
  3. Step 3: Cross multiply
    719,770x = 1,539,170 × 1,539,170
  4. Step 4: Simplify right side
    719,770x = 2,369,044,288,900
  5. Step 5: Solve for x
    x = 2,369,044,288,900/719,770
  6. Step 6: Final answer
    x = 3,291,390.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.