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Finding the Third Proportional to 8,384,242.50 and 12,618,342

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Solution

The third proportional to 8,384,242.50 and 12,618,342 is: 18,990,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384,242.50 : 12,618,342 = 12,618,342 : x
  2. Step 2: Convert to fraction form
    8,384,242.50/12,618,342 = 12,618,342/x
  3. Step 3: Cross multiply
    8,384,242.50x = 12,618,342 × 12,618,342
  4. Step 4: Simplify right side
    8,384,242.50x = 159,222,554,828,964
  5. Step 5: Solve for x
    x = 159,222,554,828,964/8,384,242.50
  6. Step 6: Final answer
    x = 18,990,690.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.