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Finding the Third Proportional to 141,138,856 and 305,730,621

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Solution

The third proportional to 141,138,856 and 305,730,621 is: 662,264,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,138,856 : 305,730,621 = 305,730,621 : x
  2. Step 2: Convert to fraction form
    141,138,856/305,730,621 = 305,730,621/x
  3. Step 3: Cross multiply
    141,138,856x = 305,730,621 × 305,730,621
  4. Step 4: Simplify right side
    141,138,856x = 93,471,212,617,045,648
  5. Step 5: Solve for x
    x = 93,471,212,617,045,648/141,138,856
  6. Step 6: Final answer
    x = 662,264,207.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.