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Finding the Third Proportional to 99,608 and 157,798

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Solution

The third proportional to 99,608 and 157,798 is: 249,982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,608 : 157,798 = 157,798 : x
  2. Step 2: Convert to fraction form
    99,608/157,798 = 157,798/x
  3. Step 3: Cross multiply
    99,608x = 157,798 × 157,798
  4. Step 4: Simplify right side
    99,608x = 24,900,208,804
  5. Step 5: Solve for x
    x = 24,900,208,804/99,608
  6. Step 6: Final answer
    x = 249,982.02

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.