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Finding the Third Proportional to 590,863.50 and 916,645.50

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Solution

The third proportional to 590,863.50 and 916,645.50 is: 1,422,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,863.50 : 916,645.50 = 916,645.50 : x
  2. Step 2: Convert to fraction form
    590,863.50/916,645.50 = 916,645.50/x
  3. Step 3: Cross multiply
    590,863.50x = 916,645.50 × 916,645.50
  4. Step 4: Simplify right side
    590,863.50x = 840,238,972,670.25
  5. Step 5: Solve for x
    x = 840,238,972,670.25/590,863.50
  6. Step 6: Final answer
    x = 1,422,052.59

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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.