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Finding the Third Proportional to 248,572 and 388,852

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Solution

The third proportional to 248,572 and 388,852 is: 608,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,572 : 388,852 = 388,852 : x
  2. Step 2: Convert to fraction form
    248,572/388,852 = 388,852/x
  3. Step 3: Cross multiply
    248,572x = 388,852 × 388,852
  4. Step 4: Simplify right side
    248,572x = 151,205,877,904
  5. Step 5: Solve for x
    x = 151,205,877,904/248,572
  6. Step 6: Final answer
    x = 608,298.11

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.