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Finding the Third Proportional to 93,210.75 and 139,581

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Solution

The third proportional to 93,210.75 and 139,581 is: 209,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,210.75 : 139,581 = 139,581 : x
  2. Step 2: Convert to fraction form
    93,210.75/139,581 = 139,581/x
  3. Step 3: Cross multiply
    93,210.75x = 139,581 × 139,581
  4. Step 4: Simplify right side
    93,210.75x = 19,482,855,561
  5. Step 5: Solve for x
    x = 19,482,855,561/93,210.75
  6. Step 6: Final answer
    x = 209,019.41

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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.