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Finding the Third Proportional to 18,612,490.50 and 39,371,157

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Solution

The third proportional to 18,612,490.50 and 39,371,157 is: 83,282,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,490.50 : 39,371,157 = 39,371,157 : x
  2. Step 2: Convert to fraction form
    18,612,490.50/39,371,157 = 39,371,157/x
  3. Step 3: Cross multiply
    18,612,490.50x = 39,371,157 × 39,371,157
  4. Step 4: Simplify right side
    18,612,490.50x = 1,550,088,003,518,649
  5. Step 5: Solve for x
    x = 1,550,088,003,518,649/18,612,490.50
  6. Step 6: Final answer
    x = 83,282,138.06

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.