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Finding the Third Proportional to 13,277,728.69 and 28,573,274.81

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Solution

The third proportional to 13,277,728.69 and 28,573,274.81 is: 61,488,832.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,728.69 : 28,573,274.81 = 28,573,274.81 : x
  2. Step 2: Convert to fraction form
    13,277,728.69/28,573,274.81 = 28,573,274.81/x
  3. Step 3: Cross multiply
    13,277,728.69x = 28,573,274.81 × 28,573,274.81
  4. Step 4: Simplify right side
    13,277,728.69x = 816,432,033,510,646.88
  5. Step 5: Solve for x
    x = 816,432,033,510,646.88/13,277,728.69
  6. Step 6: Final answer
    x = 61,488,832.37

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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.