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Finding the Third Proportional to 908,005.50 and 1,272,543.75

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Solution

The third proportional to 908,005.50 and 1,272,543.75 is: 1,783,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,005.50 : 1,272,543.75 = 1,272,543.75 : x
  2. Step 2: Convert to fraction form
    908,005.50/1,272,543.75 = 1,272,543.75/x
  3. Step 3: Cross multiply
    908,005.50x = 1,272,543.75 × 1,272,543.75
  4. Step 4: Simplify right side
    908,005.50x = 1,619,367,595,664.06
  5. Step 5: Solve for x
    x = 1,619,367,595,664.06/908,005.50
  6. Step 6: Final answer
    x = 1,783,433.69

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.