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Finding the Third Proportional to 802,128 and 1,712,526

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Solution

The third proportional to 802,128 and 1,712,526 is: 3,656,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,128 : 1,712,526 = 1,712,526 : x
  2. Step 2: Convert to fraction form
    802,128/1,712,526 = 1,712,526/x
  3. Step 3: Cross multiply
    802,128x = 1,712,526 × 1,712,526
  4. Step 4: Simplify right side
    802,128x = 2,932,745,300,676
  5. Step 5: Solve for x
    x = 2,932,745,300,676/802,128
  6. Step 6: Final answer
    x = 3,656,206.12

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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.