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Finding the Third Proportional to 56,872,883.11 and 122,506,238.95

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Solution

The third proportional to 56,872,883.11 and 122,506,238.95 is: 263,882,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872,883.11 : 122,506,238.95 = 122,506,238.95 : x
  2. Step 2: Convert to fraction form
    56,872,883.11/122,506,238.95 = 122,506,238.95/x
  3. Step 3: Cross multiply
    56,872,883.11x = 122,506,238.95 × 122,506,238.95
  4. Step 4: Simplify right side
    56,872,883.11x = 15,007,778,582,438,934
  5. Step 5: Solve for x
    x = 15,007,778,582,438,934/56,872,883.11
  6. Step 6: Final answer
    x = 263,882,851.76

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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.