Home / 38,191,969.50-78,148,848.75

Finding the Third Proportional to 38,191,969.50 and 78,148,848.75

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Solution

The third proportional to 38,191,969.50 and 78,148,848.75 is: 159,909,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191,969.50 : 78,148,848.75 = 78,148,848.75 : x
  2. Step 2: Convert to fraction form
    38,191,969.50/78,148,848.75 = 78,148,848.75/x
  3. Step 3: Cross multiply
    38,191,969.50x = 78,148,848.75 × 78,148,848.75
  4. Step 4: Simplify right side
    38,191,969.50x = 6,107,242,560,950,377
  5. Step 5: Solve for x
    x = 6,107,242,560,950,377/38,191,969.50
  6. Step 6: Final answer
    x = 159,909,076.20

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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.