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Finding the Third Proportional to 55,758,600 and 120,782,547

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Solution

The third proportional to 55,758,600 and 120,782,547 is: 261,635,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758,600 : 120,782,547 = 120,782,547 : x
  2. Step 2: Convert to fraction form
    55,758,600/120,782,547 = 120,782,547/x
  3. Step 3: Cross multiply
    55,758,600x = 120,782,547 × 120,782,547
  4. Step 4: Simplify right side
    55,758,600x = 14,588,423,659,807,208
  5. Step 5: Solve for x
    x = 14,588,423,659,807,208/55,758,600
  6. Step 6: Final answer
    x = 261,635,400.81

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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.