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Finding the Third Proportional to 93,210.75 and 139,816.13

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Solution

The third proportional to 93,210.75 and 139,816.13 is: 209,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,210.75 : 139,816.13 = 139,816.13 : x
  2. Step 2: Convert to fraction form
    93,210.75/139,816.13 = 139,816.13/x
  3. Step 3: Cross multiply
    93,210.75x = 139,816.13 × 139,816.13
  4. Step 4: Simplify right side
    93,210.75x = 19,548,548,810.02
  5. Step 5: Solve for x
    x = 19,548,548,810.02/93,210.75
  6. Step 6: Final answer
    x = 209,724.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.