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Finding the Third Proportional to 220,159.50 and 349,881.75

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Solution

The third proportional to 220,159.50 and 349,881.75 is: 556,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,159.50 : 349,881.75 = 349,881.75 : x
  2. Step 2: Convert to fraction form
    220,159.50/349,881.75 = 349,881.75/x
  3. Step 3: Cross multiply
    220,159.50x = 349,881.75 × 349,881.75
  4. Step 4: Simplify right side
    220,159.50x = 122,417,238,983.06
  5. Step 5: Solve for x
    x = 122,417,238,983.06/220,159.50
  6. Step 6: Final answer
    x = 556,038.87

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.