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Finding the Third Proportional to 56,519,444 and 121,699,261

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Solution

The third proportional to 56,519,444 and 121,699,261 is: 262,046,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,519,444 : 121,699,261 = 121,699,261 : x
  2. Step 2: Convert to fraction form
    56,519,444/121,699,261 = 121,699,261/x
  3. Step 3: Cross multiply
    56,519,444x = 121,699,261 × 121,699,261
  4. Step 4: Simplify right side
    56,519,444x = 14,810,710,127,946,120
  5. Step 5: Solve for x
    x = 14,810,710,127,946,120/56,519,444
  6. Step 6: Final answer
    x = 262,046,281.42

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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.