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Finding the Third Proportional to 134,365 and 293,290

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Solution

The third proportional to 134,365 and 293,290 is: 640,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,365 : 293,290 = 293,290 : x
  2. Step 2: Convert to fraction form
    134,365/293,290 = 293,290/x
  3. Step 3: Cross multiply
    134,365x = 293,290 × 293,290
  4. Step 4: Simplify right side
    134,365x = 86,019,024,100
  5. Step 5: Solve for x
    x = 86,019,024,100/134,365
  6. Step 6: Final answer
    x = 640,189.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.