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Finding the Third Proportional to 164,505 and 360,428

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Solution

The third proportional to 164,505 and 360,428 is: 789,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,505 : 360,428 = 360,428 : x
  2. Step 2: Convert to fraction form
    164,505/360,428 = 360,428/x
  3. Step 3: Cross multiply
    164,505x = 360,428 × 360,428
  4. Step 4: Simplify right side
    164,505x = 129,908,343,184
  5. Step 5: Solve for x
    x = 129,908,343,184/164,505
  6. Step 6: Final answer
    x = 789,692.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.