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Finding the Third Proportional to 877,902 and 1,392,996

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Solution

The third proportional to 877,902 and 1,392,996 is: 2,210,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,902 : 1,392,996 = 1,392,996 : x
  2. Step 2: Convert to fraction form
    877,902/1,392,996 = 1,392,996/x
  3. Step 3: Cross multiply
    877,902x = 1,392,996 × 1,392,996
  4. Step 4: Simplify right side
    877,902x = 1,940,437,856,016
  5. Step 5: Solve for x
    x = 1,940,437,856,016/877,902
  6. Step 6: Final answer
    x = 2,210,312.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.