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Finding the Third Proportional to 56,382,729.75 and 89,716,939.31

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Solution

The third proportional to 56,382,729.75 and 89,716,939.31 is: 142,758,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,382,729.75 : 89,716,939.31 = 89,716,939.31 : x
  2. Step 2: Convert to fraction form
    56,382,729.75/89,716,939.31 = 89,716,939.31/x
  3. Step 3: Cross multiply
    56,382,729.75x = 89,716,939.31 × 89,716,939.31
  4. Step 4: Simplify right side
    56,382,729.75x = 8,049,129,199,602,808
  5. Step 5: Solve for x
    x = 8,049,129,199,602,808/56,382,729.75
  6. Step 6: Final answer
    x = 142,758,770.91

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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.