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Finding the Third Proportional to 55,390,392 and 120,533,892.75

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Solution

The third proportional to 55,390,392 and 120,533,892.75 is: 262,291,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390,392 : 120,533,892.75 = 120,533,892.75 : x
  2. Step 2: Convert to fraction form
    55,390,392/120,533,892.75 = 120,533,892.75/x
  3. Step 3: Cross multiply
    55,390,392x = 120,533,892.75 × 120,533,892.75
  4. Step 4: Simplify right side
    55,390,392x = 14,528,419,301,468,502
  5. Step 5: Solve for x
    x = 14,528,419,301,468,502/55,390,392
  6. Step 6: Final answer
    x = 262,291,324.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.