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Finding the Third Proportional to 240,788 and 373,355

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Solution

The third proportional to 240,788 and 373,355 is: 578,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,788 : 373,355 = 373,355 : x
  2. Step 2: Convert to fraction form
    240,788/373,355 = 373,355/x
  3. Step 3: Cross multiply
    240,788x = 373,355 × 373,355
  4. Step 4: Simplify right side
    240,788x = 139,393,956,025
  5. Step 5: Solve for x
    x = 139,393,956,025/240,788
  6. Step 6: Final answer
    x = 578,907.40

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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.