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Finding the Third Proportional to 18,680,407.50 and 40,536,115.50

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Solution

The third proportional to 18,680,407.50 and 40,536,115.50 is: 87,962,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,407.50 : 40,536,115.50 = 40,536,115.50 : x
  2. Step 2: Convert to fraction form
    18,680,407.50/40,536,115.50 = 40,536,115.50/x
  3. Step 3: Cross multiply
    18,680,407.50x = 40,536,115.50 × 40,536,115.50
  4. Step 4: Simplify right side
    18,680,407.50x = 1,643,176,659,829,340.25
  5. Step 5: Solve for x
    x = 1,643,176,659,829,340.25/18,680,407.50
  6. Step 6: Final answer
    x = 87,962,570.40

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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.