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Finding the Third Proportional to 864,846,520 and 1,865,741,720

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Solution

The third proportional to 864,846,520 and 1,865,741,720 is: 4,024,982,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,846,520 : 1,865,741,720 = 1,865,741,720 : x
  2. Step 2: Convert to fraction form
    864,846,520/1,865,741,720 = 1,865,741,720/x
  3. Step 3: Cross multiply
    864,846,520x = 1,865,741,720 × 1,865,741,720
  4. Step 4: Simplify right side
    864,846,520x = 3,480,992,165,748,558,336
  5. Step 5: Solve for x
    x = 3,480,992,165,748,558,336/864,846,520
  6. Step 6: Final answer
    x = 4,024,982,566.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.