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Finding the Third Proportional to 202,445 and 432,910

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Solution

The third proportional to 202,445 and 432,910 is: 925,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,445 : 432,910 = 432,910 : x
  2. Step 2: Convert to fraction form
    202,445/432,910 = 432,910/x
  3. Step 3: Cross multiply
    202,445x = 432,910 × 432,910
  4. Step 4: Simplify right side
    202,445x = 187,411,068,100
  5. Step 5: Solve for x
    x = 187,411,068,100/202,445
  6. Step 6: Final answer
    x = 925,738.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.