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Finding the Third Proportional to 11,880,897.75 and 18,884,319.75

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Solution

The third proportional to 11,880,897.75 and 18,884,319.75 is: 30,016,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,897.75 : 18,884,319.75 = 18,884,319.75 : x
  2. Step 2: Convert to fraction form
    11,880,897.75/18,884,319.75 = 18,884,319.75/x
  3. Step 3: Cross multiply
    11,880,897.75x = 18,884,319.75 × 18,884,319.75
  4. Step 4: Simplify right side
    11,880,897.75x = 356,617,532,420,240.06
  5. Step 5: Solve for x
    x = 356,617,532,420,240.06/11,880,897.75
  6. Step 6: Final answer
    x = 30,016,042.55

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.