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Finding the Third Proportional to 7,287,980 and 15,948,856

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Solution

The third proportional to 7,287,980 and 15,948,856 is: 34,902,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,980 : 15,948,856 = 15,948,856 : x
  2. Step 2: Convert to fraction form
    7,287,980/15,948,856 = 15,948,856/x
  3. Step 3: Cross multiply
    7,287,980x = 15,948,856 × 15,948,856
  4. Step 4: Simplify right side
    7,287,980x = 254,366,007,708,736
  5. Step 5: Solve for x
    x = 254,366,007,708,736/7,287,980
  6. Step 6: Final answer
    x = 34,902,127.57

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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.