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Finding the Third Proportional to 30,039,447 and 61,671,361.50

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Solution

The third proportional to 30,039,447 and 61,671,361.50 is: 126,612,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039,447 : 61,671,361.50 = 61,671,361.50 : x
  2. Step 2: Convert to fraction form
    30,039,447/61,671,361.50 = 61,671,361.50/x
  3. Step 3: Cross multiply
    30,039,447x = 61,671,361.50 × 61,671,361.50
  4. Step 4: Simplify right side
    30,039,447x = 3,803,356,829,263,682
  5. Step 5: Solve for x
    x = 3,803,356,829,263,682/30,039,447
  6. Step 6: Final answer
    x = 126,612,078.75

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.