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Finding the Third Proportional to 718,023 and 1,554,918

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Solution

The third proportional to 718,023 and 1,554,918 is: 3,367,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,023 : 1,554,918 = 1,554,918 : x
  2. Step 2: Convert to fraction form
    718,023/1,554,918 = 1,554,918/x
  3. Step 3: Cross multiply
    718,023x = 1,554,918 × 1,554,918
  4. Step 4: Simplify right side
    718,023x = 2,417,769,986,724
  5. Step 5: Solve for x
    x = 2,417,769,986,724/718,023
  6. Step 6: Final answer
    x = 3,367,259.80

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Why These Related Problems?

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