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Finding the Third Proportional to 459,312 and 653,245.50

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Solution

The third proportional to 459,312 and 653,245.50 is: 929,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,312 : 653,245.50 = 653,245.50 : x
  2. Step 2: Convert to fraction form
    459,312/653,245.50 = 653,245.50/x
  3. Step 3: Cross multiply
    459,312x = 653,245.50 × 653,245.50
  4. Step 4: Simplify right side
    459,312x = 426,729,683,270.25
  5. Step 5: Solve for x
    x = 426,729,683,270.25/459,312
  6. Step 6: Final answer
    x = 929,062.78

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.