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Finding the Third Proportional to 669,708 and 1,020,600

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Solution

The third proportional to 669,708 and 1,020,600 is: 1,555,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,708 : 1,020,600 = 1,020,600 : x
  2. Step 2: Convert to fraction form
    669,708/1,020,600 = 1,020,600/x
  3. Step 3: Cross multiply
    669,708x = 1,020,600 × 1,020,600
  4. Step 4: Simplify right side
    669,708x = 1,041,624,360,000
  5. Step 5: Solve for x
    x = 1,041,624,360,000/669,708
  6. Step 6: Final answer
    x = 1,555,341.07

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.