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Finding the Third Proportional to 30,610,728 and 66,602,064

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Solution

The third proportional to 30,610,728 and 66,602,064 is: 144,911,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,728 : 66,602,064 = 66,602,064 : x
  2. Step 2: Convert to fraction form
    30,610,728/66,602,064 = 66,602,064/x
  3. Step 3: Cross multiply
    30,610,728x = 66,602,064 × 66,602,064
  4. Step 4: Simplify right side
    30,610,728x = 4,435,834,929,060,096
  5. Step 5: Solve for x
    x = 4,435,834,929,060,096/30,610,728
  6. Step 6: Final answer
    x = 144,911,121.65

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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.