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Finding the Third Proportional to 157,371 and 249,571.50

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Solution

The third proportional to 157,371 and 249,571.50 is: 395,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,371 : 249,571.50 = 249,571.50 : x
  2. Step 2: Convert to fraction form
    157,371/249,571.50 = 249,571.50/x
  3. Step 3: Cross multiply
    157,371x = 249,571.50 × 249,571.50
  4. Step 4: Simplify right side
    157,371x = 62,285,933,612.25
  5. Step 5: Solve for x
    x = 62,285,933,612.25/157,371
  6. Step 6: Final answer
    x = 395,790.42

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.