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Finding the Third Proportional to 63,516 and 143,214

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Solution

The third proportional to 63,516 and 143,214 is: 322,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,516 : 143,214 = 143,214 : x
  2. Step 2: Convert to fraction form
    63,516/143,214 = 143,214/x
  3. Step 3: Cross multiply
    63,516x = 143,214 × 143,214
  4. Step 4: Simplify right side
    63,516x = 20,510,249,796
  5. Step 5: Solve for x
    x = 20,510,249,796/63,516
  6. Step 6: Final answer
    x = 322,914.70

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.