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Finding the Third Proportional to 690,273 and 1,501,992

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Solution

The third proportional to 690,273 and 1,501,992 is: 3,268,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,273 : 1,501,992 = 1,501,992 : x
  2. Step 2: Convert to fraction form
    690,273/1,501,992 = 1,501,992/x
  3. Step 3: Cross multiply
    690,273x = 1,501,992 × 1,501,992
  4. Step 4: Simplify right side
    690,273x = 2,255,979,968,064
  5. Step 5: Solve for x
    x = 2,255,979,968,064/690,273
  6. Step 6: Final answer
    x = 3,268,243.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.