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Finding the Third Proportional to 377,448 and 579,312

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Solution

The third proportional to 377,448 and 579,312 is: 889,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,448 : 579,312 = 579,312 : x
  2. Step 2: Convert to fraction form
    377,448/579,312 = 579,312/x
  3. Step 3: Cross multiply
    377,448x = 579,312 × 579,312
  4. Step 4: Simplify right side
    377,448x = 335,602,393,344
  5. Step 5: Solve for x
    x = 335,602,393,344/377,448
  6. Step 6: Final answer
    x = 889,135.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.