Home / 18,587,870.38-40,263,784.75

Finding the Third Proportional to 18,587,870.38 and 40,263,784.75

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Solution

The third proportional to 18,587,870.38 and 40,263,784.75 is: 87,216,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587,870.38 : 40,263,784.75 = 40,263,784.75 : x
  2. Step 2: Convert to fraction form
    18,587,870.38/40,263,784.75 = 40,263,784.75/x
  3. Step 3: Cross multiply
    18,587,870.38x = 40,263,784.75 × 40,263,784.75
  4. Step 4: Simplify right side
    18,587,870.38x = 1,621,172,362,394,332.50
  5. Step 5: Solve for x
    x = 1,621,172,362,394,332.50/18,587,870.38
  6. Step 6: Final answer
    x = 87,216,681.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.