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Finding the Third Proportional to 42,170,286 and 63,704,735

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Solution

The third proportional to 42,170,286 and 63,704,735 is: 96,235,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,286 : 63,704,735 = 63,704,735 : x
  2. Step 2: Convert to fraction form
    42,170,286/63,704,735 = 63,704,735/x
  3. Step 3: Cross multiply
    42,170,286x = 63,704,735 × 63,704,735
  4. Step 4: Simplify right side
    42,170,286x = 4,058,293,261,420,225
  5. Step 5: Solve for x
    x = 4,058,293,261,420,225/42,170,286
  6. Step 6: Final answer
    x = 96,235,848.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.