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Finding the Third Proportional to 56,641,383 and 121,998,260

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Solution

The third proportional to 56,641,383 and 121,998,260 is: 262,768,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641,383 : 121,998,260 = 121,998,260 : x
  2. Step 2: Convert to fraction form
    56,641,383/121,998,260 = 121,998,260/x
  3. Step 3: Cross multiply
    56,641,383x = 121,998,260 × 121,998,260
  4. Step 4: Simplify right side
    56,641,383x = 14,883,575,443,027,600
  5. Step 5: Solve for x
    x = 14,883,575,443,027,600/56,641,383
  6. Step 6: Final answer
    x = 262,768,574.05

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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.