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Finding the Third Proportional to 64,423.13 and 92,787.19

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Solution

The third proportional to 64,423.13 and 92,787.19 is: 133,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,423.13 : 92,787.19 = 92,787.19 : x
  2. Step 2: Convert to fraction form
    64,423.13/92,787.19 = 92,787.19/x
  3. Step 3: Cross multiply
    64,423.13x = 92,787.19 × 92,787.19
  4. Step 4: Simplify right side
    64,423.13x = 8,609,462,164.16
  5. Step 5: Solve for x
    x = 8,609,462,164.16/64,423.13
  6. Step 6: Final answer
    x = 133,639.31

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.