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Finding the Third Proportional to 249,408 and 373,128

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Solution

The third proportional to 249,408 and 373,128 is: 558,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,408 : 373,128 = 373,128 : x
  2. Step 2: Convert to fraction form
    249,408/373,128 = 373,128/x
  3. Step 3: Cross multiply
    249,408x = 373,128 × 373,128
  4. Step 4: Simplify right side
    249,408x = 139,224,504,384
  5. Step 5: Solve for x
    x = 139,224,504,384/249,408
  6. Step 6: Final answer
    x = 558,219.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.