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Finding the Third Proportional to 30,676,878 and 67,126,603.50

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Solution

The third proportional to 30,676,878 and 67,126,603.50 is: 146,885,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676,878 : 67,126,603.50 = 67,126,603.50 : x
  2. Step 2: Convert to fraction form
    30,676,878/67,126,603.50 = 67,126,603.50/x
  3. Step 3: Cross multiply
    30,676,878x = 67,126,603.50 × 67,126,603.50
  4. Step 4: Simplify right side
    30,676,878x = 4,505,980,897,446,212
  5. Step 5: Solve for x
    x = 4,505,980,897,446,212/30,676,878
  6. Step 6: Final answer
    x = 146,885,250.10

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.