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Finding the Third Proportional to 7,287,979.50 and 15,948,855

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Solution

The third proportional to 7,287,979.50 and 15,948,855 is: 34,902,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,979.50 : 15,948,855 = 15,948,855 : x
  2. Step 2: Convert to fraction form
    7,287,979.50/15,948,855 = 15,948,855/x
  3. Step 3: Cross multiply
    7,287,979.50x = 15,948,855 × 15,948,855
  4. Step 4: Simplify right side
    7,287,979.50x = 254,365,975,811,025
  5. Step 5: Solve for x
    x = 254,365,975,811,025/7,287,979.50
  6. Step 6: Final answer
    x = 34,902,125.59

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.