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Finding the Third Proportional to 56,553 and 124,315.50

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Solution

The third proportional to 56,553 and 124,315.50 is: 273,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,553 : 124,315.50 = 124,315.50 : x
  2. Step 2: Convert to fraction form
    56,553/124,315.50 = 124,315.50/x
  3. Step 3: Cross multiply
    56,553x = 124,315.50 × 124,315.50
  4. Step 4: Simplify right side
    56,553x = 15,454,343,540.25
  5. Step 5: Solve for x
    x = 15,454,343,540.25/56,553
  6. Step 6: Final answer
    x = 273,271.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.