Home / 18,536,127.75-38,766,215.25

Finding the Third Proportional to 18,536,127.75 and 38,766,215.25

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Solution

The third proportional to 18,536,127.75 and 38,766,215.25 is: 81,075,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,127.75 : 38,766,215.25 = 38,766,215.25 : x
  2. Step 2: Convert to fraction form
    18,536,127.75/38,766,215.25 = 38,766,215.25/x
  3. Step 3: Cross multiply
    18,536,127.75x = 38,766,215.25 × 38,766,215.25
  4. Step 4: Simplify right side
    18,536,127.75x = 1,502,819,444,809,332.50
  5. Step 5: Solve for x
    x = 1,502,819,444,809,332.50/18,536,127.75
  6. Step 6: Final answer
    x = 81,075,155.78

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.