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Finding the Third Proportional to 66,618,085.50 and 148,553,600.06

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Solution

The third proportional to 66,618,085.50 and 148,553,600.06 is: 331,263,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,618,085.50 : 148,553,600.06 = 148,553,600.06 : x
  2. Step 2: Convert to fraction form
    66,618,085.50/148,553,600.06 = 148,553,600.06/x
  3. Step 3: Cross multiply
    66,618,085.50x = 148,553,600.06 × 148,553,600.06
  4. Step 4: Simplify right side
    66,618,085.50x = 22,068,172,091,529,200
  5. Step 5: Solve for x
    x = 22,068,172,091,529,200/66,618,085.50
  6. Step 6: Final answer
    x = 331,263,979.23

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.