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Finding the Third Proportional to 682,242.75 and 1,059,328.13

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Solution

The third proportional to 682,242.75 and 1,059,328.13 is: 1,644,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,242.75 : 1,059,328.13 = 1,059,328.13 : x
  2. Step 2: Convert to fraction form
    682,242.75/1,059,328.13 = 1,059,328.13/x
  3. Step 3: Cross multiply
    682,242.75x = 1,059,328.13 × 1,059,328.13
  4. Step 4: Simplify right side
    682,242.75x = 1,122,176,076,416.02
  5. Step 5: Solve for x
    x = 1,122,176,076,416.02/682,242.75
  6. Step 6: Final answer
    x = 1,644,834.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.