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Finding the Third Proportional to 402,344,611.50 and 615,064,926

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Solution

The third proportional to 402,344,611.50 and 615,064,926 is: 940,250,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,344,611.50 : 615,064,926 = 615,064,926 : x
  2. Step 2: Convert to fraction form
    402,344,611.50/615,064,926 = 615,064,926/x
  3. Step 3: Cross multiply
    402,344,611.50x = 615,064,926 × 615,064,926
  4. Step 4: Simplify right side
    402,344,611.50x = 378,304,863,195,385,472
  5. Step 5: Solve for x
    x = 378,304,863,195,385,472/402,344,611.50
  6. Step 6: Final answer
    x = 940,250,850.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.