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Finding the Third Proportional to 1,109,183.63 and 2,386,492.88

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Solution

The third proportional to 1,109,183.63 and 2,386,492.88 is: 5,134,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,183.63 : 2,386,492.88 = 2,386,492.88 : x
  2. Step 2: Convert to fraction form
    1,109,183.63/2,386,492.88 = 2,386,492.88/x
  3. Step 3: Cross multiply
    1,109,183.63x = 2,386,492.88 × 2,386,492.88
  4. Step 4: Simplify right side
    1,109,183.63x = 5,695,348,242,425.77
  5. Step 5: Solve for x
    x = 5,695,348,242,425.77/1,109,183.63
  6. Step 6: Final answer
    x = 5,134,720.81

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.