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Finding the Third Proportional to 79,717,614 and 130,170,573

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Solution

The third proportional to 79,717,614 and 130,170,573 is: 212,555,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717,614 : 130,170,573 = 130,170,573 : x
  2. Step 2: Convert to fraction form
    79,717,614/130,170,573 = 130,170,573/x
  3. Step 3: Cross multiply
    79,717,614x = 130,170,573 × 130,170,573
  4. Step 4: Simplify right side
    79,717,614x = 16,944,378,075,148,328
  5. Step 5: Solve for x
    x = 16,944,378,075,148,328/79,717,614
  6. Step 6: Final answer
    x = 212,555,007.92

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.