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Finding the Third Proportional to 162,891 and 249,054.75

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Solution

The third proportional to 162,891 and 249,054.75 is: 380,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,891 : 249,054.75 = 249,054.75 : x
  2. Step 2: Convert to fraction form
    162,891/249,054.75 = 249,054.75/x
  3. Step 3: Cross multiply
    162,891x = 249,054.75 × 249,054.75
  4. Step 4: Simplify right side
    162,891x = 62,028,268,497.56
  5. Step 5: Solve for x
    x = 62,028,268,497.56/162,891
  6. Step 6: Final answer
    x = 380,796.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.