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Finding the Third Proportional to 768,382 and 1,127,644

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Solution

The third proportional to 768,382 and 1,127,644 is: 1,654,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,382 : 1,127,644 = 1,127,644 : x
  2. Step 2: Convert to fraction form
    768,382/1,127,644 = 1,127,644/x
  3. Step 3: Cross multiply
    768,382x = 1,127,644 × 1,127,644
  4. Step 4: Simplify right side
    768,382x = 1,271,580,990,736
  5. Step 5: Solve for x
    x = 1,271,580,990,736/768,382
  6. Step 6: Final answer
    x = 1,654,881.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.