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Finding the Third Proportional to 590,581.50 and 911,953.50

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Solution

The third proportional to 590,581.50 and 911,953.50 is: 1,408,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,581.50 : 911,953.50 = 911,953.50 : x
  2. Step 2: Convert to fraction form
    590,581.50/911,953.50 = 911,953.50/x
  3. Step 3: Cross multiply
    590,581.50x = 911,953.50 × 911,953.50
  4. Step 4: Simplify right side
    590,581.50x = 831,659,186,162.25
  5. Step 5: Solve for x
    x = 831,659,186,162.25/590,581.50
  6. Step 6: Final answer
    x = 1,408,203.92

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.