Home / 66,304,296.56-139,480,177.50

Finding the Third Proportional to 66,304,296.56 and 139,480,177.50

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Solution

The third proportional to 66,304,296.56 and 139,480,177.50 is: 293,415,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304,296.56 : 139,480,177.50 = 139,480,177.50 : x
  2. Step 2: Convert to fraction form
    66,304,296.56/139,480,177.50 = 139,480,177.50/x
  3. Step 3: Cross multiply
    66,304,296.56x = 139,480,177.50 × 139,480,177.50
  4. Step 4: Simplify right side
    66,304,296.56x = 19,454,719,915,431,508
  5. Step 5: Solve for x
    x = 19,454,719,915,431,508/66,304,296.56
  6. Step 6: Final answer
    x = 293,415,674.76

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.