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Finding the Third Proportional to 221,916.38 and 314,006.63

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Solution

The third proportional to 221,916.38 and 314,006.63 is: 444,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,916.38 : 314,006.63 = 314,006.63 : x
  2. Step 2: Convert to fraction form
    221,916.38/314,006.63 = 314,006.63/x
  3. Step 3: Cross multiply
    221,916.38x = 314,006.63 × 314,006.63
  4. Step 4: Simplify right side
    221,916.38x = 98,600,160,543.89
  5. Step 5: Solve for x
    x = 98,600,160,543.89/221,916.38
  6. Step 6: Final answer
    x = 444,312.23

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.