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Finding the Third Proportional to 295,260 and 458,064

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Solution

The third proportional to 295,260 and 458,064 is: 710,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,260 : 458,064 = 458,064 : x
  2. Step 2: Convert to fraction form
    295,260/458,064 = 458,064/x
  3. Step 3: Cross multiply
    295,260x = 458,064 × 458,064
  4. Step 4: Simplify right side
    295,260x = 209,822,628,096
  5. Step 5: Solve for x
    x = 209,822,628,096/295,260
  6. Step 6: Final answer
    x = 710,636.82

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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.