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Finding the Third Proportional to 370,720 and 556,081

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Solution

The third proportional to 370,720 and 556,081 is: 834,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,720 : 556,081 = 556,081 : x
  2. Step 2: Convert to fraction form
    370,720/556,081 = 556,081/x
  3. Step 3: Cross multiply
    370,720x = 556,081 × 556,081
  4. Step 4: Simplify right side
    370,720x = 309,226,078,561
  5. Step 5: Solve for x
    x = 309,226,078,561/370,720
  6. Step 6: Final answer
    x = 834,123.00

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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.