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Finding the Third Proportional to 178,547.75 and 242,217

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Solution

The third proportional to 178,547.75 and 242,217 is: 328,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,547.75 : 242,217 = 242,217 : x
  2. Step 2: Convert to fraction form
    178,547.75/242,217 = 242,217/x
  3. Step 3: Cross multiply
    178,547.75x = 242,217 × 242,217
  4. Step 4: Simplify right side
    178,547.75x = 58,669,075,089
  5. Step 5: Solve for x
    x = 58,669,075,089/178,547.75
  6. Step 6: Final answer
    x = 328,590.39

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.