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Finding the Third Proportional to 352,700 and 761,156

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Solution

The third proportional to 352,700 and 761,156 is: 1,642,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,700 : 761,156 = 761,156 : x
  2. Step 2: Convert to fraction form
    352,700/761,156 = 761,156/x
  3. Step 3: Cross multiply
    352,700x = 761,156 × 761,156
  4. Step 4: Simplify right side
    352,700x = 579,358,456,336
  5. Step 5: Solve for x
    x = 579,358,456,336/352,700
  6. Step 6: Final answer
    x = 1,642,638.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.