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Finding the Third Proportional to 66,324,262 and 142,726,220

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Solution

The third proportional to 66,324,262 and 142,726,220 is: 307,139,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,324,262 : 142,726,220 = 142,726,220 : x
  2. Step 2: Convert to fraction form
    66,324,262/142,726,220 = 142,726,220/x
  3. Step 3: Cross multiply
    66,324,262x = 142,726,220 × 142,726,220
  4. Step 4: Simplify right side
    66,324,262x = 20,370,773,875,488,400
  5. Step 5: Solve for x
    x = 20,370,773,875,488,400/66,324,262
  6. Step 6: Final answer
    x = 307,139,096.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.