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Finding the Third Proportional to 56,911,970 and 122,455,687

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Solution

The third proportional to 56,911,970 and 122,455,687 is: 263,484,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911,970 : 122,455,687 = 122,455,687 : x
  2. Step 2: Convert to fraction form
    56,911,970/122,455,687 = 122,455,687/x
  3. Step 3: Cross multiply
    56,911,970x = 122,455,687 × 122,455,687
  4. Step 4: Simplify right side
    56,911,970x = 14,995,395,278,641,968
  5. Step 5: Solve for x
    x = 14,995,395,278,641,968/56,911,970
  6. Step 6: Final answer
    x = 263,484,031.19

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.