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Finding the Third Proportional to 292,152 and 451,128

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Solution

The third proportional to 292,152 and 451,128 is: 696,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,152 : 451,128 = 451,128 : x
  2. Step 2: Convert to fraction form
    292,152/451,128 = 451,128/x
  3. Step 3: Cross multiply
    292,152x = 451,128 × 451,128
  4. Step 4: Simplify right side
    292,152x = 203,516,472,384
  5. Step 5: Solve for x
    x = 203,516,472,384/292,152
  6. Step 6: Final answer
    x = 696,611.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.