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Finding the Third Proportional to 39,389,562 and 63,287,973

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Solution

The third proportional to 39,389,562 and 63,287,973 is: 101,686,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389,562 : 63,287,973 = 63,287,973 : x
  2. Step 2: Convert to fraction form
    39,389,562/63,287,973 = 63,287,973/x
  3. Step 3: Cross multiply
    39,389,562x = 63,287,973 × 63,287,973
  4. Step 4: Simplify right side
    39,389,562x = 4,005,367,526,448,729
  5. Step 5: Solve for x
    x = 4,005,367,526,448,729/39,389,562
  6. Step 6: Final answer
    x = 101,686,013.33

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.