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Finding the Third Proportional to 328,484.75 and 708,242.50

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Solution

The third proportional to 328,484.75 and 708,242.50 is: 1,527,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,484.75 : 708,242.50 = 708,242.50 : x
  2. Step 2: Convert to fraction form
    328,484.75/708,242.50 = 708,242.50/x
  3. Step 3: Cross multiply
    328,484.75x = 708,242.50 × 708,242.50
  4. Step 4: Simplify right side
    328,484.75x = 501,607,438,806.25
  5. Step 5: Solve for x
    x = 501,607,438,806.25/328,484.75
  6. Step 6: Final answer
    x = 1,527,034.17

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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.