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Finding the Third Proportional to 668,825 and 1,010,369

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Solution

The third proportional to 668,825 and 1,010,369 is: 1,526,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,825 : 1,010,369 = 1,010,369 : x
  2. Step 2: Convert to fraction form
    668,825/1,010,369 = 1,010,369/x
  3. Step 3: Cross multiply
    668,825x = 1,010,369 × 1,010,369
  4. Step 4: Simplify right side
    668,825x = 1,020,845,516,161
  5. Step 5: Solve for x
    x = 1,020,845,516,161/668,825
  6. Step 6: Final answer
    x = 1,526,326.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.