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Finding the Third Proportional to 56,584,215 and 85,156,625

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Solution

The third proportional to 56,584,215 and 85,156,625 is: 128,156,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,584,215 : 85,156,625 = 85,156,625 : x
  2. Step 2: Convert to fraction form
    56,584,215/85,156,625 = 85,156,625/x
  3. Step 3: Cross multiply
    56,584,215x = 85,156,625 × 85,156,625
  4. Step 4: Simplify right side
    56,584,215x = 7,251,650,781,390,625
  5. Step 5: Solve for x
    x = 7,251,650,781,390,625/56,584,215
  6. Step 6: Final answer
    x = 128,156,779.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.