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Finding the Third Proportional to 3,992,895 and 6,205,918.50

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Solution

The third proportional to 3,992,895 and 6,205,918.50 is: 9,645,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,895 : 6,205,918.50 = 6,205,918.50 : x
  2. Step 2: Convert to fraction form
    3,992,895/6,205,918.50 = 6,205,918.50/x
  3. Step 3: Cross multiply
    3,992,895x = 6,205,918.50 × 6,205,918.50
  4. Step 4: Simplify right side
    3,992,895x = 38,513,424,428,642.25
  5. Step 5: Solve for x
    x = 38,513,424,428,642.25/3,992,895
  6. Step 6: Final answer
    x = 9,645,488.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.