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Finding the Third Proportional to 2,157,495.75 and 4,651,242.75

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Solution

The third proportional to 2,157,495.75 and 4,651,242.75 is: 10,027,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,495.75 : 4,651,242.75 = 4,651,242.75 : x
  2. Step 2: Convert to fraction form
    2,157,495.75/4,651,242.75 = 4,651,242.75/x
  3. Step 3: Cross multiply
    2,157,495.75x = 4,651,242.75 × 4,651,242.75
  4. Step 4: Simplify right side
    2,157,495.75x = 21,634,059,119,427.56
  5. Step 5: Solve for x
    x = 21,634,059,119,427.56/2,157,495.75
  6. Step 6: Final answer
    x = 10,027,393.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.