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Finding the Third Proportional to 113,639.63 and 168,260.63

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Solution

The third proportional to 113,639.63 and 168,260.63 is: 249,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.63 : 168,260.63 = 168,260.63 : x
  2. Step 2: Convert to fraction form
    113,639.63/168,260.63 = 168,260.63/x
  3. Step 3: Cross multiply
    113,639.63x = 168,260.63 × 168,260.63
  4. Step 4: Simplify right side
    113,639.63x = 28,311,637,925.39
  5. Step 5: Solve for x
    x = 28,311,637,925.39/113,639.63
  6. Step 6: Final answer
    x = 249,135.26

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.