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Finding the Third Proportional to 528,208 and 1,138,550

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Solution

The third proportional to 528,208 and 1,138,550 is: 2,454,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,208 : 1,138,550 = 1,138,550 : x
  2. Step 2: Convert to fraction form
    528,208/1,138,550 = 1,138,550/x
  3. Step 3: Cross multiply
    528,208x = 1,138,550 × 1,138,550
  4. Step 4: Simplify right side
    528,208x = 1,296,296,102,500
  5. Step 5: Solve for x
    x = 1,296,296,102,500/528,208
  6. Step 6: Final answer
    x = 2,454,139.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.