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Finding the Third Proportional to 125,019.50 and 269,585

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Solution

The third proportional to 125,019.50 and 269,585 is: 581,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,019.50 : 269,585 = 269,585 : x
  2. Step 2: Convert to fraction form
    125,019.50/269,585 = 269,585/x
  3. Step 3: Cross multiply
    125,019.50x = 269,585 × 269,585
  4. Step 4: Simplify right side
    125,019.50x = 72,676,072,225
  5. Step 5: Solve for x
    x = 72,676,072,225/125,019.50
  6. Step 6: Final answer
    x = 581,317.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.