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Finding the Third Proportional to 175,688 and 386,362

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Solution

The third proportional to 175,688 and 386,362 is: 849,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,688 : 386,362 = 386,362 : x
  2. Step 2: Convert to fraction form
    175,688/386,362 = 386,362/x
  3. Step 3: Cross multiply
    175,688x = 386,362 × 386,362
  4. Step 4: Simplify right side
    175,688x = 149,275,595,044
  5. Step 5: Solve for x
    x = 149,275,595,044/175,688
  6. Step 6: Final answer
    x = 849,663.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.