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Finding the Third Proportional to 30,426,692 and 66,825,352

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Solution

The third proportional to 30,426,692 and 66,825,352 is: 146,766,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426,692 : 66,825,352 = 66,825,352 : x
  2. Step 2: Convert to fraction form
    30,426,692/66,825,352 = 66,825,352/x
  3. Step 3: Cross multiply
    30,426,692x = 66,825,352 × 66,825,352
  4. Step 4: Simplify right side
    30,426,692x = 4,465,627,669,923,904
  5. Step 5: Solve for x
    x = 4,465,627,669,923,904/30,426,692
  6. Step 6: Final answer
    x = 146,766,781.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.