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Finding the Third Proportional to 574,578,440 and 891,508,800

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Solution

The third proportional to 574,578,440 and 891,508,800 is: 1,383,254,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,578,440 : 891,508,800 = 891,508,800 : x
  2. Step 2: Convert to fraction form
    574,578,440/891,508,800 = 891,508,800/x
  3. Step 3: Cross multiply
    574,578,440x = 891,508,800 × 891,508,800
  4. Step 4: Simplify right side
    574,578,440x = 794,787,940,477,440,000
  5. Step 5: Solve for x
    x = 794,787,940,477,440,000/574,578,440
  6. Step 6: Final answer
    x = 1,383,254,026.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.