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Finding the Third Proportional to 30,641.63 and 46,872

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Solution

The third proportional to 30,641.63 and 46,872 is: 71,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641.63 : 46,872 = 46,872 : x
  2. Step 2: Convert to fraction form
    30,641.63/46,872 = 46,872/x
  3. Step 3: Cross multiply
    30,641.63x = 46,872 × 46,872
  4. Step 4: Simplify right side
    30,641.63x = 2,196,984,384
  5. Step 5: Solve for x
    x = 2,196,984,384/30,641.63
  6. Step 6: Final answer
    x = 71,699.34

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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.