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Finding the Third Proportional to 679,124.25 and 919,041.19

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Solution

The third proportional to 679,124.25 and 919,041.19 is: 1,243,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,124.25 : 919,041.19 = 919,041.19 : x
  2. Step 2: Convert to fraction form
    679,124.25/919,041.19 = 919,041.19/x
  3. Step 3: Cross multiply
    679,124.25x = 919,041.19 × 919,041.19
  4. Step 4: Simplify right side
    679,124.25x = 844,636,704,321.41
  5. Step 5: Solve for x
    x = 844,636,704,321.41/679,124.25
  6. Step 6: Final answer
    x = 1,243,714.54

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.