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Finding the Third Proportional to 55,730,808 and 120,761,838

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Solution

The third proportional to 55,730,808 and 120,761,838 is: 261,676,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,808 : 120,761,838 = 120,761,838 : x
  2. Step 2: Convert to fraction form
    55,730,808/120,761,838 = 120,761,838/x
  3. Step 3: Cross multiply
    55,730,808x = 120,761,838 × 120,761,838
  4. Step 4: Simplify right side
    55,730,808x = 14,583,421,517,138,244
  5. Step 5: Solve for x
    x = 14,583,421,517,138,244/55,730,808
  6. Step 6: Final answer
    x = 261,676,118.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.