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Finding the Third Proportional to 924,556 and 1,989,080

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Solution

The third proportional to 924,556 and 1,989,080 is: 4,279,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,556 : 1,989,080 = 1,989,080 : x
  2. Step 2: Convert to fraction form
    924,556/1,989,080 = 1,989,080/x
  3. Step 3: Cross multiply
    924,556x = 1,989,080 × 1,989,080
  4. Step 4: Simplify right side
    924,556x = 3,956,439,246,400
  5. Step 5: Solve for x
    x = 3,956,439,246,400/924,556
  6. Step 6: Final answer
    x = 4,279,285.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.