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Finding the Third Proportional to 506,690 and 712,556

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Solution

The third proportional to 506,690 and 712,556 is: 1,002,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,690 : 712,556 = 712,556 : x
  2. Step 2: Convert to fraction form
    506,690/712,556 = 712,556/x
  3. Step 3: Cross multiply
    506,690x = 712,556 × 712,556
  4. Step 4: Simplify right side
    506,690x = 507,736,053,136
  5. Step 5: Solve for x
    x = 507,736,053,136/506,690
  6. Step 6: Final answer
    x = 1,002,064.48

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.