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Finding the Third Proportional to 56,641,380.75 and 121,998,255.75

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Solution

The third proportional to 56,641,380.75 and 121,998,255.75 is: 262,768,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641,380.75 : 121,998,255.75 = 121,998,255.75 : x
  2. Step 2: Convert to fraction form
    56,641,380.75/121,998,255.75 = 121,998,255.75/x
  3. Step 3: Cross multiply
    56,641,380.75x = 121,998,255.75 × 121,998,255.75
  4. Step 4: Simplify right side
    56,641,380.75x = 14,883,574,406,042,408
  5. Step 5: Solve for x
    x = 14,883,574,406,042,408/56,641,380.75
  6. Step 6: Final answer
    x = 262,768,566.18

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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.