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Finding the Third Proportional to 1,938,503.39 and 4,229,506.76

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Solution

The third proportional to 1,938,503.39 and 4,229,506.76 is: 9,228,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,503.39 : 4,229,506.76 = 4,229,506.76 : x
  2. Step 2: Convert to fraction form
    1,938,503.39/4,229,506.76 = 4,229,506.76/x
  3. Step 3: Cross multiply
    1,938,503.39x = 4,229,506.76 × 4,229,506.76
  4. Step 4: Simplify right side
    1,938,503.39x = 17,888,727,414,381.61
  5. Step 5: Solve for x
    x = 17,888,727,414,381.61/1,938,503.39
  6. Step 6: Final answer
    x = 9,228,112.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.