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Finding the Third Proportional to 374,803.50 and 579,723

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Solution

The third proportional to 374,803.50 and 579,723 is: 896,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,803.50 : 579,723 = 579,723 : x
  2. Step 2: Convert to fraction form
    374,803.50/579,723 = 579,723/x
  3. Step 3: Cross multiply
    374,803.50x = 579,723 × 579,723
  4. Step 4: Simplify right side
    374,803.50x = 336,078,756,729
  5. Step 5: Solve for x
    x = 336,078,756,729/374,803.50
  6. Step 6: Final answer
    x = 896,679.88

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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.