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Finding the Third Proportional to 60,268 and 90,038

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Solution

The third proportional to 60,268 and 90,038 is: 134,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,268 : 90,038 = 90,038 : x
  2. Step 2: Convert to fraction form
    60,268/90,038 = 90,038/x
  3. Step 3: Cross multiply
    60,268x = 90,038 × 90,038
  4. Step 4: Simplify right side
    60,268x = 8,106,841,444
  5. Step 5: Solve for x
    x = 8,106,841,444/60,268
  6. Step 6: Final answer
    x = 134,513.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.