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Finding the Third Proportional to 58,488.50 and 87,343

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Solution

The third proportional to 58,488.50 and 87,343 is: 130,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488.50 : 87,343 = 87,343 : x
  2. Step 2: Convert to fraction form
    58,488.50/87,343 = 87,343/x
  3. Step 3: Cross multiply
    58,488.50x = 87,343 × 87,343
  4. Step 4: Simplify right side
    58,488.50x = 7,628,799,649
  5. Step 5: Solve for x
    x = 7,628,799,649/58,488.50
  6. Step 6: Final answer
    x = 130,432.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.