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Finding the Third Proportional to 98,880.75 and 157,213.13

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Solution

The third proportional to 98,880.75 and 157,213.13 is: 249,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.75 : 157,213.13 = 157,213.13 : x
  2. Step 2: Convert to fraction form
    98,880.75/157,213.13 = 157,213.13/x
  3. Step 3: Cross multiply
    98,880.75x = 157,213.13 × 157,213.13
  4. Step 4: Simplify right side
    98,880.75x = 24,715,966,672.27
  5. Step 5: Solve for x
    x = 24,715,966,672.27/98,880.75
  6. Step 6: Final answer
    x = 249,957.31

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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.