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Finding the Third Proportional to 30,727,111.50 and 66,217,995

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Solution

The third proportional to 30,727,111.50 and 66,217,995 is: 142,702,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727,111.50 : 66,217,995 = 66,217,995 : x
  2. Step 2: Convert to fraction form
    30,727,111.50/66,217,995 = 66,217,995/x
  3. Step 3: Cross multiply
    30,727,111.50x = 66,217,995 × 66,217,995
  4. Step 4: Simplify right side
    30,727,111.50x = 4,384,822,861,820,025
  5. Step 5: Solve for x
    x = 4,384,822,861,820,025/30,727,111.50
  6. Step 6: Final answer
    x = 142,702,084.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.