Home / 90,744,844.50-139,481,376.75

Finding the Third Proportional to 90,744,844.50 and 139,481,376.75

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Solution

The third proportional to 90,744,844.50 and 139,481,376.75 is: 214,392,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744,844.50 : 139,481,376.75 = 139,481,376.75 : x
  2. Step 2: Convert to fraction form
    90,744,844.50/139,481,376.75 = 139,481,376.75/x
  3. Step 3: Cross multiply
    90,744,844.50x = 139,481,376.75 × 139,481,376.75
  4. Step 4: Simplify right side
    90,744,844.50x = 19,455,054,460,075,440
  5. Step 5: Solve for x
    x = 19,455,054,460,075,440/90,744,844.50
  6. Step 6: Final answer
    x = 214,392,945.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.