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Finding the Third Proportional to 791,240 and 1,713,808

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Solution

The third proportional to 791,240 and 1,713,808 is: 3,712,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,240 : 1,713,808 = 1,713,808 : x
  2. Step 2: Convert to fraction form
    791,240/1,713,808 = 1,713,808/x
  3. Step 3: Cross multiply
    791,240x = 1,713,808 × 1,713,808
  4. Step 4: Simplify right side
    791,240x = 2,937,137,860,864
  5. Step 5: Solve for x
    x = 2,937,137,860,864/791,240
  6. Step 6: Final answer
    x = 3,712,069.49

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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.