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Finding the Third Proportional to 972,220 and 1,521,654

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Solution

The third proportional to 972,220 and 1,521,654 is: 2,381,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,220 : 1,521,654 = 1,521,654 : x
  2. Step 2: Convert to fraction form
    972,220/1,521,654 = 1,521,654/x
  3. Step 3: Cross multiply
    972,220x = 1,521,654 × 1,521,654
  4. Step 4: Simplify right side
    972,220x = 2,315,430,895,716
  5. Step 5: Solve for x
    x = 2,315,430,895,716/972,220
  6. Step 6: Final answer
    x = 2,381,591.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.