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Finding the Third Proportional to 687,920,223 and 1,051,887,566

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Solution

The third proportional to 687,920,223 and 1,051,887,566 is: 1,608,424,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,920,223 : 1,051,887,566 = 1,051,887,566 : x
  2. Step 2: Convert to fraction form
    687,920,223/1,051,887,566 = 1,051,887,566/x
  3. Step 3: Cross multiply
    687,920,223x = 1,051,887,566 × 1,051,887,566
  4. Step 4: Simplify right side
    687,920,223x = 1,106,467,451,505,404,416
  5. Step 5: Solve for x
    x = 1,106,467,451,505,404,416/687,920,223
  6. Step 6: Final answer
    x = 1,608,424,079.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.