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Finding the Third Proportional to 491,319 and 1,041,690

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Solution

The third proportional to 491,319 and 1,041,690 is: 2,208,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,319 : 1,041,690 = 1,041,690 : x
  2. Step 2: Convert to fraction form
    491,319/1,041,690 = 1,041,690/x
  3. Step 3: Cross multiply
    491,319x = 1,041,690 × 1,041,690
  4. Step 4: Simplify right side
    491,319x = 1,085,118,056,100
  5. Step 5: Solve for x
    x = 1,085,118,056,100/491,319
  6. Step 6: Final answer
    x = 2,208,581.50

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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.