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Finding the Third Proportional to 583,130.75 and 870,196.75

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Solution

The third proportional to 583,130.75 and 870,196.75 is: 1,298,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,130.75 : 870,196.75 = 870,196.75 : x
  2. Step 2: Convert to fraction form
    583,130.75/870,196.75 = 870,196.75/x
  3. Step 3: Cross multiply
    583,130.75x = 870,196.75 × 870,196.75
  4. Step 4: Simplify right side
    583,130.75x = 757,242,383,710.56
  5. Step 5: Solve for x
    x = 757,242,383,710.56/583,130.75
  6. Step 6: Final answer
    x = 1,298,580.78

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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.