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Finding the Third Proportional to 1,515,411 and 3,308,585.63

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Solution

The third proportional to 1,515,411 and 3,308,585.63 is: 7,223,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,411 : 3,308,585.63 = 3,308,585.63 : x
  2. Step 2: Convert to fraction form
    1,515,411/3,308,585.63 = 3,308,585.63/x
  3. Step 3: Cross multiply
    1,515,411x = 3,308,585.63 × 3,308,585.63
  4. Step 4: Simplify right side
    1,515,411x = 10,946,738,837,956.64
  5. Step 5: Solve for x
    x = 10,946,738,837,956.64/1,515,411
  6. Step 6: Final answer
    x = 7,223,610.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.