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Finding the Third Proportional to 54,585 and 83,335

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Solution

The third proportional to 54,585 and 83,335 is: 127,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,585 : 83,335 = 83,335 : x
  2. Step 2: Convert to fraction form
    54,585/83,335 = 83,335/x
  3. Step 3: Cross multiply
    54,585x = 83,335 × 83,335
  4. Step 4: Simplify right side
    54,585x = 6,944,722,225
  5. Step 5: Solve for x
    x = 6,944,722,225/54,585
  6. Step 6: Final answer
    x = 127,227.67

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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.