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Finding the Third Proportional to 877,080 and 1,889,512

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Solution

The third proportional to 877,080 and 1,889,512 is: 4,070,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,080 : 1,889,512 = 1,889,512 : x
  2. Step 2: Convert to fraction form
    877,080/1,889,512 = 1,889,512/x
  3. Step 3: Cross multiply
    877,080x = 1,889,512 × 1,889,512
  4. Step 4: Simplify right side
    877,080x = 3,570,255,598,144
  5. Step 5: Solve for x
    x = 3,570,255,598,144/877,080
  6. Step 6: Final answer
    x = 4,070,615.68

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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.