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Finding the Third Proportional to 506,190 and 712,020

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Solution

The third proportional to 506,190 and 712,020 is: 1,001,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,190 : 712,020 = 712,020 : x
  2. Step 2: Convert to fraction form
    506,190/712,020 = 712,020/x
  3. Step 3: Cross multiply
    506,190x = 712,020 × 712,020
  4. Step 4: Simplify right side
    506,190x = 506,972,480,400
  5. Step 5: Solve for x
    x = 506,972,480,400/506,190
  6. Step 6: Final answer
    x = 1,001,545.82

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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.