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Finding the Third Proportional to 66,612,256 and 99,918,376

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Solution

The third proportional to 66,612,256 and 99,918,376 is: 149,877,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612,256 : 99,918,376 = 99,918,376 : x
  2. Step 2: Convert to fraction form
    66,612,256/99,918,376 = 99,918,376/x
  3. Step 3: Cross multiply
    66,612,256x = 99,918,376 × 99,918,376
  4. Step 4: Simplify right side
    66,612,256x = 9,983,681,862,477,376
  5. Step 5: Solve for x
    x = 9,983,681,862,477,376/66,612,256
  6. Step 6: Final answer
    x = 149,877,552.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.