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Finding the Third Proportional to 653,316 and 979,980

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Solution

The third proportional to 653,316 and 979,980 is: 1,469,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,316 : 979,980 = 979,980 : x
  2. Step 2: Convert to fraction form
    653,316/979,980 = 979,980/x
  3. Step 3: Cross multiply
    653,316x = 979,980 × 979,980
  4. Step 4: Simplify right side
    653,316x = 960,360,800,400
  5. Step 5: Solve for x
    x = 960,360,800,400/653,316
  6. Step 6: Final answer
    x = 1,469,979.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.