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Finding the Third Proportional to 56,264.50 and 84,579

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Solution

The third proportional to 56,264.50 and 84,579 is: 127,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,264.50 : 84,579 = 84,579 : x
  2. Step 2: Convert to fraction form
    56,264.50/84,579 = 84,579/x
  3. Step 3: Cross multiply
    56,264.50x = 84,579 × 84,579
  4. Step 4: Simplify right side
    56,264.50x = 7,153,607,241
  5. Step 5: Solve for x
    x = 7,153,607,241/56,264.50
  6. Step 6: Final answer
    x = 127,142.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.