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Finding the Third Proportional to 634,959 and 958,999.50

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Solution

The third proportional to 634,959 and 958,999.50 is: 1,448,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,959 : 958,999.50 = 958,999.50 : x
  2. Step 2: Convert to fraction form
    634,959/958,999.50 = 958,999.50/x
  3. Step 3: Cross multiply
    634,959x = 958,999.50 × 958,999.50
  4. Step 4: Simplify right side
    634,959x = 919,680,041,000.25
  5. Step 5: Solve for x
    x = 919,680,041,000.25/634,959
  6. Step 6: Final answer
    x = 1,448,408.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.