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Finding the Third Proportional to 66,445,385 and 103,995,913

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Solution

The third proportional to 66,445,385 and 103,995,913 is: 162,767,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,385 : 103,995,913 = 103,995,913 : x
  2. Step 2: Convert to fraction form
    66,445,385/103,995,913 = 103,995,913/x
  3. Step 3: Cross multiply
    66,445,385x = 103,995,913 × 103,995,913
  4. Step 4: Simplify right side
    66,445,385x = 10,815,149,920,703,568
  5. Step 5: Solve for x
    x = 10,815,149,920,703,568/66,445,385
  6. Step 6: Final answer
    x = 162,767,510.80

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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.