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Finding the Third Proportional to 709,166 and 1,517,989

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Solution

The third proportional to 709,166 and 1,517,989 is: 3,249,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,166 : 1,517,989 = 1,517,989 : x
  2. Step 2: Convert to fraction form
    709,166/1,517,989 = 1,517,989/x
  3. Step 3: Cross multiply
    709,166x = 1,517,989 × 1,517,989
  4. Step 4: Simplify right side
    709,166x = 2,304,290,604,121
  5. Step 5: Solve for x
    x = 2,304,290,604,121/709,166
  6. Step 6: Final answer
    x = 3,249,296.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.