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Finding the Third Proportional to 803,641 and 1,767,986

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Solution

The third proportional to 803,641 and 1,767,986 is: 3,889,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,641 : 1,767,986 = 1,767,986 : x
  2. Step 2: Convert to fraction form
    803,641/1,767,986 = 1,767,986/x
  3. Step 3: Cross multiply
    803,641x = 1,767,986 × 1,767,986
  4. Step 4: Simplify right side
    803,641x = 3,125,774,496,196
  5. Step 5: Solve for x
    x = 3,125,774,496,196/803,641
  6. Step 6: Final answer
    x = 3,889,515.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.