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Finding the Third Proportional to 216,873 and 469,941.75

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Solution

The third proportional to 216,873 and 469,941.75 is: 1,018,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,873 : 469,941.75 = 469,941.75 : x
  2. Step 2: Convert to fraction form
    216,873/469,941.75 = 469,941.75/x
  3. Step 3: Cross multiply
    216,873x = 469,941.75 × 469,941.75
  4. Step 4: Simplify right side
    216,873x = 220,845,248,393.06
  5. Step 5: Solve for x
    x = 220,845,248,393.06/216,873
  6. Step 6: Final answer
    x = 1,018,316.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.