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Finding the Third Proportional to 240,790 and 373,358

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Solution

The third proportional to 240,790 and 373,358 is: 578,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,790 : 373,358 = 373,358 : x
  2. Step 2: Convert to fraction form
    240,790/373,358 = 373,358/x
  3. Step 3: Cross multiply
    240,790x = 373,358 × 373,358
  4. Step 4: Simplify right side
    240,790x = 139,396,196,164
  5. Step 5: Solve for x
    x = 139,396,196,164/240,790
  6. Step 6: Final answer
    x = 578,911.90

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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.