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Finding the Third Proportional to 58,261 and 127,637.50

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Solution

The third proportional to 58,261 and 127,637.50 is: 279,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,261 : 127,637.50 = 127,637.50 : x
  2. Step 2: Convert to fraction form
    58,261/127,637.50 = 127,637.50/x
  3. Step 3: Cross multiply
    58,261x = 127,637.50 × 127,637.50
  4. Step 4: Simplify right side
    58,261x = 16,291,331,406.25
  5. Step 5: Solve for x
    x = 16,291,331,406.25/58,261
  6. Step 6: Final answer
    x = 279,626.70

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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.