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Finding the Third Proportional to 7,287,039 and 15,695,090

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Solution

The third proportional to 7,287,039 and 15,695,090 is: 33,804,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,039 : 15,695,090 = 15,695,090 : x
  2. Step 2: Convert to fraction form
    7,287,039/15,695,090 = 15,695,090/x
  3. Step 3: Cross multiply
    7,287,039x = 15,695,090 × 15,695,090
  4. Step 4: Simplify right side
    7,287,039x = 246,335,850,108,100
  5. Step 5: Solve for x
    x = 246,335,850,108,100/7,287,039
  6. Step 6: Final answer
    x = 33,804,656.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.