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Finding the Third Proportional to 127,684,088 and 198,113,052

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Solution

The third proportional to 127,684,088 and 198,113,052 is: 307,389,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,684,088 : 198,113,052 = 198,113,052 : x
  2. Step 2: Convert to fraction form
    127,684,088/198,113,052 = 198,113,052/x
  3. Step 3: Cross multiply
    127,684,088x = 198,113,052 × 198,113,052
  4. Step 4: Simplify right side
    127,684,088x = 39,248,781,372,754,704
  5. Step 5: Solve for x
    x = 39,248,781,372,754,704/127,684,088
  6. Step 6: Final answer
    x = 307,389,761.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.