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Finding the Third Proportional to 788,330 and 1,729,261

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Solution

The third proportional to 788,330 and 1,729,261 is: 3,793,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,330 : 1,729,261 = 1,729,261 : x
  2. Step 2: Convert to fraction form
    788,330/1,729,261 = 1,729,261/x
  3. Step 3: Cross multiply
    788,330x = 1,729,261 × 1,729,261
  4. Step 4: Simplify right side
    788,330x = 2,990,343,606,121
  5. Step 5: Solve for x
    x = 2,990,343,606,121/788,330
  6. Step 6: Final answer
    x = 3,793,263.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.