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Finding the Third Proportional to 18,661,726.69 and 29,210,513.63

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Solution

The third proportional to 18,661,726.69 and 29,210,513.63 is: 45,722,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,726.69 : 29,210,513.63 = 29,210,513.63 : x
  2. Step 2: Convert to fraction form
    18,661,726.69/29,210,513.63 = 29,210,513.63/x
  3. Step 3: Cross multiply
    18,661,726.69x = 29,210,513.63 × 29,210,513.63
  4. Step 4: Simplify right side
    18,661,726.69x = 853,254,106,236,310.62
  5. Step 5: Solve for x
    x = 853,254,106,236,310.62/18,661,726.69
  6. Step 6: Final answer
    x = 45,722,141.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.