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Finding the Third Proportional to 243,386 and 363,053

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Solution

The third proportional to 243,386 and 363,053 is: 541,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,386 : 363,053 = 363,053 : x
  2. Step 2: Convert to fraction form
    243,386/363,053 = 363,053/x
  3. Step 3: Cross multiply
    243,386x = 363,053 × 363,053
  4. Step 4: Simplify right side
    243,386x = 131,807,480,809
  5. Step 5: Solve for x
    x = 131,807,480,809/243,386
  6. Step 6: Final answer
    x = 541,557.36

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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.