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Finding the Third Proportional to 102,303 and 157,828.50

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Solution

The third proportional to 102,303 and 157,828.50 is: 243,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,303 : 157,828.50 = 157,828.50 : x
  2. Step 2: Convert to fraction form
    102,303/157,828.50 = 157,828.50/x
  3. Step 3: Cross multiply
    102,303x = 157,828.50 × 157,828.50
  4. Step 4: Simplify right side
    102,303x = 24,909,835,412.25
  5. Step 5: Solve for x
    x = 24,909,835,412.25/102,303
  6. Step 6: Final answer
    x = 243,490.76

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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.