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Finding the Third Proportional to 303,480 and 664,106

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Solution

The third proportional to 303,480 and 664,106 is: 1,453,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,480 : 664,106 = 664,106 : x
  2. Step 2: Convert to fraction form
    303,480/664,106 = 664,106/x
  3. Step 3: Cross multiply
    303,480x = 664,106 × 664,106
  4. Step 4: Simplify right side
    303,480x = 441,036,779,236
  5. Step 5: Solve for x
    x = 441,036,779,236/303,480
  6. Step 6: Final answer
    x = 1,453,264.73

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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.