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Finding the Third Proportional to 385,040 and 598,504

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Solution

The third proportional to 385,040 and 598,504 is: 930,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,040 : 598,504 = 598,504 : x
  2. Step 2: Convert to fraction form
    385,040/598,504 = 598,504/x
  3. Step 3: Cross multiply
    385,040x = 598,504 × 598,504
  4. Step 4: Simplify right side
    385,040x = 358,207,038,016
  5. Step 5: Solve for x
    x = 358,207,038,016/385,040
  6. Step 6: Final answer
    x = 930,311.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.