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Finding the Third Proportional to 55,558,955 and 121,875,034

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Solution

The third proportional to 55,558,955 and 121,875,034 is: 267,347,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558,955 : 121,875,034 = 121,875,034 : x
  2. Step 2: Convert to fraction form
    55,558,955/121,875,034 = 121,875,034/x
  3. Step 3: Cross multiply
    55,558,955x = 121,875,034 × 121,875,034
  4. Step 4: Simplify right side
    55,558,955x = 14,853,523,912,501,156
  5. Step 5: Solve for x
    x = 14,853,523,912,501,156/55,558,955
  6. Step 6: Final answer
    x = 267,347,071.46

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