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Finding the Third Proportional to 458,686.13 and 700,008.75

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Solution

The third proportional to 458,686.13 and 700,008.75 is: 1,068,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,686.13 : 700,008.75 = 700,008.75 : x
  2. Step 2: Convert to fraction form
    458,686.13/700,008.75 = 700,008.75/x
  3. Step 3: Cross multiply
    458,686.13x = 700,008.75 × 700,008.75
  4. Step 4: Simplify right side
    458,686.13x = 490,012,250,076.56
  5. Step 5: Solve for x
    x = 490,012,250,076.56/458,686.13
  6. Step 6: Final answer
    x = 1,068,295.34

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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.