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Finding the Third Proportional to 891,219 and 1,924,479

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Solution

The third proportional to 891,219 and 1,924,479 is: 4,155,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,219 : 1,924,479 = 1,924,479 : x
  2. Step 2: Convert to fraction form
    891,219/1,924,479 = 1,924,479/x
  3. Step 3: Cross multiply
    891,219x = 1,924,479 × 1,924,479
  4. Step 4: Simplify right side
    891,219x = 3,703,619,421,441
  5. Step 5: Solve for x
    x = 3,703,619,421,441/891,219
  6. Step 6: Final answer
    x = 4,155,678.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.