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Finding the Third Proportional to 168,579 and 358,612.50

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Solution

The third proportional to 168,579 and 358,612.50 is: 762,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,579 : 358,612.50 = 358,612.50 : x
  2. Step 2: Convert to fraction form
    168,579/358,612.50 = 358,612.50/x
  3. Step 3: Cross multiply
    168,579x = 358,612.50 × 358,612.50
  4. Step 4: Simplify right side
    168,579x = 128,602,925,156.25
  5. Step 5: Solve for x
    x = 128,602,925,156.25/168,579
  6. Step 6: Final answer
    x = 762,864.44

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.