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Finding the Third Proportional to 93,810 and 197,340

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Solution

The third proportional to 93,810 and 197,340 is: 415,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,810 : 197,340 = 197,340 : x
  2. Step 2: Convert to fraction form
    93,810/197,340 = 197,340/x
  3. Step 3: Cross multiply
    93,810x = 197,340 × 197,340
  4. Step 4: Simplify right side
    93,810x = 38,943,075,600
  5. Step 5: Solve for x
    x = 38,943,075,600/93,810
  6. Step 6: Final answer
    x = 415,127.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.