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Finding the Third Proportional to 55,343,077 and 121,111,575

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Solution

The third proportional to 55,343,077 and 121,111,575 is: 265,037,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343,077 : 121,111,575 = 121,111,575 : x
  2. Step 2: Convert to fraction form
    55,343,077/121,111,575 = 121,111,575/x
  3. Step 3: Cross multiply
    55,343,077x = 121,111,575 × 121,111,575
  4. Step 4: Simplify right side
    55,343,077x = 14,668,013,598,980,624
  5. Step 5: Solve for x
    x = 14,668,013,598,980,624/55,343,077
  6. Step 6: Final answer
    x = 265,037,912.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.