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Finding the Third Proportional to 66,039,784 and 100,056,942

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Solution

The third proportional to 66,039,784 and 100,056,942 is: 151,596,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039,784 : 100,056,942 = 100,056,942 : x
  2. Step 2: Convert to fraction form
    66,039,784/100,056,942 = 100,056,942/x
  3. Step 3: Cross multiply
    66,039,784x = 100,056,942 × 100,056,942
  4. Step 4: Simplify right side
    66,039,784x = 10,011,391,642,391,364
  5. Step 5: Solve for x
    x = 10,011,391,642,391,364/66,039,784
  6. Step 6: Final answer
    x = 151,596,371.70

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.