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Finding the Third Proportional to 69,508,540.50 and 149,781,585

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Solution

The third proportional to 69,508,540.50 and 149,781,585 is: 322,759,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,508,540.50 : 149,781,585 = 149,781,585 : x
  2. Step 2: Convert to fraction form
    69,508,540.50/149,781,585 = 149,781,585/x
  3. Step 3: Cross multiply
    69,508,540.50x = 149,781,585 × 149,781,585
  4. Step 4: Simplify right side
    69,508,540.50x = 22,434,523,205,112,224
  5. Step 5: Solve for x
    x = 22,434,523,205,112,224/69,508,540.50
  6. Step 6: Final answer
    x = 322,759,232.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.