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Finding the Third Proportional to 724,417 and 1,573,389

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Solution

The third proportional to 724,417 and 1,573,389 is: 3,417,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,417 : 1,573,389 = 1,573,389 : x
  2. Step 2: Convert to fraction form
    724,417/1,573,389 = 1,573,389/x
  3. Step 3: Cross multiply
    724,417x = 1,573,389 × 1,573,389
  4. Step 4: Simplify right side
    724,417x = 2,475,552,945,321
  5. Step 5: Solve for x
    x = 2,475,552,945,321/724,417
  6. Step 6: Final answer
    x = 3,417,303.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.