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Finding the Third Proportional to 231,412.50 and 349,587

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Solution

The third proportional to 231,412.50 and 349,587 is: 528,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,412.50 : 349,587 = 349,587 : x
  2. Step 2: Convert to fraction form
    231,412.50/349,587 = 349,587/x
  3. Step 3: Cross multiply
    231,412.50x = 349,587 × 349,587
  4. Step 4: Simplify right side
    231,412.50x = 122,211,070,569
  5. Step 5: Solve for x
    x = 122,211,070,569/231,412.50
  6. Step 6: Final answer
    x = 528,109.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.