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Finding the Third Proportional to 13,299,696.28 and 28,651,061.81

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Solution

The third proportional to 13,299,696.28 and 28,651,061.81 is: 61,721,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,696.28 : 28,651,061.81 = 28,651,061.81 : x
  2. Step 2: Convert to fraction form
    13,299,696.28/28,651,061.81 = 28,651,061.81/x
  3. Step 3: Cross multiply
    13,299,696.28x = 28,651,061.81 × 28,651,061.81
  4. Step 4: Simplify right side
    13,299,696.28x = 820,883,342,983,695.75
  5. Step 5: Solve for x
    x = 820,883,342,983,695.75/13,299,696.28
  6. Step 6: Final answer
    x = 61,721,961.59

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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.