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Finding the Third Proportional to 690,901 and 1,499,814

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Solution

The third proportional to 690,901 and 1,499,814 is: 3,255,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,901 : 1,499,814 = 1,499,814 : x
  2. Step 2: Convert to fraction form
    690,901/1,499,814 = 1,499,814/x
  3. Step 3: Cross multiply
    690,901x = 1,499,814 × 1,499,814
  4. Step 4: Simplify right side
    690,901x = 2,249,442,034,596
  5. Step 5: Solve for x
    x = 2,249,442,034,596/690,901
  6. Step 6: Final answer
    x = 3,255,809.49

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.