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Finding the Third Proportional to 115,364.25 and 169,492.50

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Solution

The third proportional to 115,364.25 and 169,492.50 is: 249,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,364.25 : 169,492.50 = 169,492.50 : x
  2. Step 2: Convert to fraction form
    115,364.25/169,492.50 = 169,492.50/x
  3. Step 3: Cross multiply
    115,364.25x = 169,492.50 × 169,492.50
  4. Step 4: Simplify right side
    115,364.25x = 28,727,707,556.25
  5. Step 5: Solve for x
    x = 28,727,707,556.25/115,364.25
  6. Step 6: Final answer
    x = 249,017.42

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.