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Finding the Third Proportional to 102,370.50 and 157,929.75

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Solution

The third proportional to 102,370.50 and 157,929.75 is: 243,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,370.50 : 157,929.75 = 157,929.75 : x
  2. Step 2: Convert to fraction form
    102,370.50/157,929.75 = 157,929.75/x
  3. Step 3: Cross multiply
    102,370.50x = 157,929.75 × 157,929.75
  4. Step 4: Simplify right side
    102,370.50x = 24,941,805,935.06
  5. Step 5: Solve for x
    x = 24,941,805,935.06/102,370.50
  6. Step 6: Final answer
    x = 243,642.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.