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Finding the Third Proportional to 30,658,848 and 66,760,896

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Solution

The third proportional to 30,658,848 and 66,760,896 is: 145,374,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658,848 : 66,760,896 = 66,760,896 : x
  2. Step 2: Convert to fraction form
    30,658,848/66,760,896 = 66,760,896/x
  3. Step 3: Cross multiply
    30,658,848x = 66,760,896 × 66,760,896
  4. Step 4: Simplify right side
    30,658,848x = 4,457,017,234,722,816
  5. Step 5: Solve for x
    x = 4,457,017,234,722,816/30,658,848
  6. Step 6: Final answer
    x = 145,374,582.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.