Home / 30,362,289.75-66,115,524.38

Finding the Third Proportional to 30,362,289.75 and 66,115,524.38

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Solution

The third proportional to 30,362,289.75 and 66,115,524.38 is: 143,970,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362,289.75 : 66,115,524.38 = 66,115,524.38 : x
  2. Step 2: Convert to fraction form
    30,362,289.75/66,115,524.38 = 66,115,524.38/x
  3. Step 3: Cross multiply
    30,362,289.75x = 66,115,524.38 × 66,115,524.38
  4. Step 4: Simplify right side
    30,362,289.75x = 4,371,262,563,381,219
  5. Step 5: Solve for x
    x = 4,371,262,563,381,219/30,362,289.75
  6. Step 6: Final answer
    x = 143,970,122.13

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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.