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Finding the Third Proportional to 8,453,122.88 and 12,840,972.19

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Solution

The third proportional to 8,453,122.88 and 12,840,972.19 is: 19,506,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453,122.88 : 12,840,972.19 = 12,840,972.19 : x
  2. Step 2: Convert to fraction form
    8,453,122.88/12,840,972.19 = 12,840,972.19/x
  3. Step 3: Cross multiply
    8,453,122.88x = 12,840,972.19 × 12,840,972.19
  4. Step 4: Simplify right side
    8,453,122.88x = 164,890,566,720,148.53
  5. Step 5: Solve for x
    x = 164,890,566,720,148.53/8,453,122.88
  6. Step 6: Final answer
    x = 19,506,467.51

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.