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Finding the Third Proportional to 30,867,850 and 45,409,551

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Solution

The third proportional to 30,867,850 and 45,409,551 is: 66,801,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867,850 : 45,409,551 = 45,409,551 : x
  2. Step 2: Convert to fraction form
    30,867,850/45,409,551 = 45,409,551/x
  3. Step 3: Cross multiply
    30,867,850x = 45,409,551 × 45,409,551
  4. Step 4: Simplify right side
    30,867,850x = 2,062,027,322,021,601
  5. Step 5: Solve for x
    x = 2,062,027,322,021,601/30,867,850
  6. Step 6: Final answer
    x = 66,801,779.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.