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Finding the Third Proportional to 7,891,545,315 and 17,172,320,475

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Solution

The third proportional to 7,891,545,315 and 17,172,320,475 is: 37,367,661,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,545,315 : 17,172,320,475 = 17,172,320,475 : x
  2. Step 2: Convert to fraction form
    7,891,545,315/17,172,320,475 = 17,172,320,475/x
  3. Step 3: Cross multiply
    7,891,545,315x = 17,172,320,475 × 17,172,320,475
  4. Step 4: Simplify right side
    7,891,545,315x = 294,888,590,496,104,218,624
  5. Step 5: Solve for x
    x = 294,888,590,496,104,218,624/7,891,545,315
  6. Step 6: Final answer
    x = 37,367,661,050.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.