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Finding the Third Proportional to 55,369,938 and 121,165,710

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Solution

The third proportional to 55,369,938 and 121,165,710 is: 265,146,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369,938 : 121,165,710 = 121,165,710 : x
  2. Step 2: Convert to fraction form
    55,369,938/121,165,710 = 121,165,710/x
  3. Step 3: Cross multiply
    55,369,938x = 121,165,710 × 121,165,710
  4. Step 4: Simplify right side
    55,369,938x = 14,681,129,279,804,100
  5. Step 5: Solve for x
    x = 14,681,129,279,804,100/55,369,938
  6. Step 6: Final answer
    x = 265,146,211.29

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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.