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Finding the Third Proportional to 42,576,464 and 66,699,960

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Solution

The third proportional to 42,576,464 and 66,699,960 is: 104,491,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,576,464 : 66,699,960 = 66,699,960 : x
  2. Step 2: Convert to fraction form
    42,576,464/66,699,960 = 66,699,960/x
  3. Step 3: Cross multiply
    42,576,464x = 66,699,960 × 66,699,960
  4. Step 4: Simplify right side
    42,576,464x = 4,448,884,664,001,600
  5. Step 5: Solve for x
    x = 4,448,884,664,001,600/42,576,464
  6. Step 6: Final answer
    x = 104,491,642.71

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.