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Finding the Third Proportional to 640,840,552 and 1,315,654,000

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Solution

The third proportional to 640,840,552 and 1,315,654,000 is: 2,701,054,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,840,552 : 1,315,654,000 = 1,315,654,000 : x
  2. Step 2: Convert to fraction form
    640,840,552/1,315,654,000 = 1,315,654,000/x
  3. Step 3: Cross multiply
    640,840,552x = 1,315,654,000 × 1,315,654,000
  4. Step 4: Simplify right side
    640,840,552x = 1,730,945,447,716,000,000
  5. Step 5: Solve for x
    x = 1,730,945,447,716,000,000/640,840,552
  6. Step 6: Final answer
    x = 2,701,054,797.97

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.