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Finding the Third Proportional to 7,920,565.50 and 12,589,497

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Solution

The third proportional to 7,920,565.50 and 12,589,497 is: 20,010,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,565.50 : 12,589,497 = 12,589,497 : x
  2. Step 2: Convert to fraction form
    7,920,565.50/12,589,497 = 12,589,497/x
  3. Step 3: Cross multiply
    7,920,565.50x = 12,589,497 × 12,589,497
  4. Step 4: Simplify right side
    7,920,565.50x = 158,495,434,713,009
  5. Step 5: Solve for x
    x = 158,495,434,713,009/7,920,565.50
  6. Step 6: Final answer
    x = 20,010,621.05

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.