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Finding the Third Proportional to 42,643,687.78 and 62,366,284.13

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Solution

The third proportional to 42,643,687.78 and 62,366,284.13 is: 91,210,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643,687.78 : 62,366,284.13 = 62,366,284.13 : x
  2. Step 2: Convert to fraction form
    42,643,687.78/62,366,284.13 = 62,366,284.13/x
  3. Step 3: Cross multiply
    42,643,687.78x = 62,366,284.13 × 62,366,284.13
  4. Step 4: Simplify right side
    42,643,687.78x = 3,889,553,395,560,227
  5. Step 5: Solve for x
    x = 3,889,553,395,560,227/42,643,687.78
  6. Step 6: Final answer
    x = 91,210,530.75

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.