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Finding the Third Proportional to 551,865,544 and 865,715,392

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Solution

The third proportional to 551,865,544 and 865,715,392 is: 1,358,053,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,865,544 : 865,715,392 = 865,715,392 : x
  2. Step 2: Convert to fraction form
    551,865,544/865,715,392 = 865,715,392/x
  3. Step 3: Cross multiply
    551,865,544x = 865,715,392 × 865,715,392
  4. Step 4: Simplify right side
    551,865,544x = 749,463,139,945,713,664
  5. Step 5: Solve for x
    x = 749,463,139,945,713,664/551,865,544
  6. Step 6: Final answer
    x = 1,358,053,873.98

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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.