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Finding the Third Proportional to 1,392,111 and 2,948,967

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Solution

The third proportional to 1,392,111 and 2,948,967 is: 6,246,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,111 : 2,948,967 = 2,948,967 : x
  2. Step 2: Convert to fraction form
    1,392,111/2,948,967 = 2,948,967/x
  3. Step 3: Cross multiply
    1,392,111x = 2,948,967 × 2,948,967
  4. Step 4: Simplify right side
    1,392,111x = 8,696,406,367,089
  5. Step 5: Solve for x
    x = 8,696,406,367,089/1,392,111
  6. Step 6: Final answer
    x = 6,246,920.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.