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Finding the Third Proportional to 18,603,085.22 and 28,921,579.03

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Solution

The third proportional to 18,603,085.22 and 28,921,579.03 is: 44,963,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603,085.22 : 28,921,579.03 = 28,921,579.03 : x
  2. Step 2: Convert to fraction form
    18,603,085.22/28,921,579.03 = 28,921,579.03/x
  3. Step 3: Cross multiply
    18,603,085.22x = 28,921,579.03 × 28,921,579.03
  4. Step 4: Simplify right side
    18,603,085.22x = 836,457,733,660,839.75
  5. Step 5: Solve for x
    x = 836,457,733,660,839.75/18,603,085.22
  6. Step 6: Final answer
    x = 44,963,387.73

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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.