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Finding the Third Proportional to 3,932,195.63 and 5,312,648.25

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Solution

The third proportional to 3,932,195.63 and 5,312,648.25 is: 7,177,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,195.63 : 5,312,648.25 = 5,312,648.25 : x
  2. Step 2: Convert to fraction form
    3,932,195.63/5,312,648.25 = 5,312,648.25/x
  3. Step 3: Cross multiply
    3,932,195.63x = 5,312,648.25 × 5,312,648.25
  4. Step 4: Simplify right side
    3,932,195.63x = 28,224,231,428,228.06
  5. Step 5: Solve for x
    x = 28,224,231,428,228.06/3,932,195.63
  6. Step 6: Final answer
    x = 7,177,728.20

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.