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Finding the Third Proportional to 7,261,212.09 and 15,842,726.72

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Solution

The third proportional to 7,261,212.09 and 15,842,726.72 is: 34,566,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,212.09 : 15,842,726.72 = 15,842,726.72 : x
  2. Step 2: Convert to fraction form
    7,261,212.09/15,842,726.72 = 15,842,726.72/x
  3. Step 3: Cross multiply
    7,261,212.09x = 15,842,726.72 × 15,842,726.72
  4. Step 4: Simplify right side
    7,261,212.09x = 250,991,989,884,995.16
  5. Step 5: Solve for x
    x = 250,991,989,884,995.16/7,261,212.09
  6. Step 6: Final answer
    x = 34,566,128.44

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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.