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Finding the Third Proportional to 68,268.38 and 102,402

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Solution

The third proportional to 68,268.38 and 102,402 is: 153,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,268.38 : 102,402 = 102,402 : x
  2. Step 2: Convert to fraction form
    68,268.38/102,402 = 102,402/x
  3. Step 3: Cross multiply
    68,268.38x = 102,402 × 102,402
  4. Step 4: Simplify right side
    68,268.38x = 10,486,169,604
  5. Step 5: Solve for x
    x = 10,486,169,604/68,268.38
  6. Step 6: Final answer
    x = 153,602.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.