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Finding the Third Proportional to 551,776 and 741,490

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Solution

The third proportional to 551,776 and 741,490 is: 996,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,776 : 741,490 = 741,490 : x
  2. Step 2: Convert to fraction form
    551,776/741,490 = 741,490/x
  3. Step 3: Cross multiply
    551,776x = 741,490 × 741,490
  4. Step 4: Simplify right side
    551,776x = 549,807,420,100
  5. Step 5: Solve for x
    x = 549,807,420,100/551,776
  6. Step 6: Final answer
    x = 996,432.28

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.