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Finding the Third Proportional to 7,287,999 and 16,872,073.50

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Solution

The third proportional to 7,287,999 and 16,872,073.50 is: 39,059,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,999 : 16,872,073.50 = 16,872,073.50 : x
  2. Step 2: Convert to fraction form
    7,287,999/16,872,073.50 = 16,872,073.50/x
  3. Step 3: Cross multiply
    7,287,999x = 16,872,073.50 × 16,872,073.50
  4. Step 4: Simplify right side
    7,287,999x = 284,666,864,189,402.25
  5. Step 5: Solve for x
    x = 284,666,864,189,402.25/7,287,999
  6. Step 6: Final answer
    x = 39,059,673.88

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.