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Finding the Third Proportional to 5,361,521.63 and 8,182,569.38

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Solution

The third proportional to 5,361,521.63 and 8,182,569.38 is: 12,487,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,521.63 : 8,182,569.38 = 8,182,569.38 : x
  2. Step 2: Convert to fraction form
    5,361,521.63/8,182,569.38 = 8,182,569.38/x
  3. Step 3: Cross multiply
    5,361,521.63x = 8,182,569.38 × 8,182,569.38
  4. Step 4: Simplify right side
    5,361,521.63x = 66,954,441,576,687.89
  5. Step 5: Solve for x
    x = 66,954,441,576,687.89/5,361,521.63
  6. Step 6: Final answer
    x = 12,487,955.15

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.