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Finding the Third Proportional to 446,262 and 980,688

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Solution

The third proportional to 446,262 and 980,688 is: 2,155,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,262 : 980,688 = 980,688 : x
  2. Step 2: Convert to fraction form
    446,262/980,688 = 980,688/x
  3. Step 3: Cross multiply
    446,262x = 980,688 × 980,688
  4. Step 4: Simplify right side
    446,262x = 961,748,953,344
  5. Step 5: Solve for x
    x = 961,748,953,344/446,262
  6. Step 6: Final answer
    x = 2,155,121.77

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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.